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CN115220244A - Ophthalmic lens with critical addition location - Google Patents

Ophthalmic lens with critical addition location Download PDF

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Publication number
CN115220244A
CN115220244A CN202110432435.3A CN202110432435A CN115220244A CN 115220244 A CN115220244 A CN 115220244A CN 202110432435 A CN202110432435 A CN 202110432435A CN 115220244 A CN115220244 A CN 115220244A
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power
lens
center
specified
ophthalmic lens
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CN115220244B (en
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苏海·沙伊尔
肖真
蓝卫忠
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Zhuhai Fitland Medical Technology Co ltd
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Zhuhai Fitland Medical Technology Co ltd
Fitland Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal
    • G02C7/042Simultaneous type
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/021Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/024Methods of designing ophthalmic lenses
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/024Methods of designing ophthalmic lenses
    • G02C7/027Methods of designing ophthalmic lenses considering wearer's parameters
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/24Myopia progression prevention

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

The present disclosure relates to an ophthalmic lens with a key light adding position, in particular to an ophthalmic lens for preventing myopia or delaying myopia development, wherein a first appointed focal power P1 and a prescription focal power P0 are sequentially arranged in an optical area of the ophthalmic lens along the direction from the center to the edge of the optical area; wherein the first prescribed focal power P1 is the prescribed focal power P0 plus the first addition focal power P A1 And the distance r1 from the optical center of the lens to the first specific power P1 is 0.75-0.95mm, the distance r0 from the optical center of the lens to the prescription power is 2.5-3.5mm, and the power between the first specific power and the prescription power is gradually changed in a specific manner. By performing the light addition processing at a specific position of the lens, a narrow light beam passing through the specific position passes through the center of the pupil and then irradiates an area ranging from 10 degrees to 20 degrees beside the center of the macula lutea. The myopia out-of-focus in the area has better myopia control effect.

Description

具有关键加光位置的眼科镜片Ophthalmic Lenses with Key Addition Locations

技术领域technical field

本公开涉及眼科镜片,更具体而言,一种具有关键加光位置的眼科镜片,所述眼科镜片用于预防近视发生或延缓近视发展。The present disclosure relates to an ophthalmic lens, and more particularly, to an ophthalmic lens having a key add-on location for preventing the occurrence of myopia or delaying the progression of myopia.

背景技术Background technique

人眼有一套复杂的光学系统,包括:角膜、前房(房水)、虹膜(瞳孔)、玻璃体、视网膜等。通过空气-角膜、房水-晶状体、晶状体-玻璃体三个界面的折射成像,人眼能够在视网膜上形成倒立的像,其中睫状肌通过改变晶状体的曲率,起到调焦作用。为了形成清晰的图像感知,眼睛的光学系统应该产生聚焦在视网膜上的影像。当由于各种原因导致轴上影像聚焦在视网膜中央窝的前方、或后方而引起视力模糊时,就形成人们通常熟知的光学病症:近视或远视。眼睛还可具有其他视力缺陷,如散光或高阶光学像差如球面像差、彗星像差等。The human eye has a complex optical system, including: cornea, anterior chamber (aqueous humor), iris (pupil), vitreous body, retina, etc. Through the refraction imaging of the three interfaces of air-cornea, aqueous humor-lens, and lens-vitreous body, the human eye can form an inverted image on the retina, in which the ciliary muscle can adjust the focus by changing the curvature of the lens. For clear image perception, the optical system of the eye should produce an image that is focused on the retina. When, for various reasons, the on-axis image is focused in front of, or behind the fovea, causing blurred vision, an optical disorder commonly known as nearsightedness or farsightedness develops. The eye may also have other vision defects such as astigmatism or higher order optical aberrations such as spherical aberration, coma, and the like.

在各种视力缺陷中,近视在全球范围内,尤其在青少年中发病率逐年增高,预计到2050年,全球近视人口将达到约50亿。近视有可能发展为高度近视,而高度近视与多种眼科疾病,例如视网膜脱落、白内障、黄斑出血和黄斑变性、青光眼等的患病风险紧密相关。0~12岁是视觉发育的敏感期。出生时,人眼一般是远视的,即眼球的轴长相对于其光焦度来说过短。眼轴随着人年龄逐渐增长,其伸长过程受到通常称为正视化过程的反馈机制控制。在正视化过程中,眼轴受焦点相对于视网膜的位置的控制而增长,但无法生长变短。因此,已经提议可以通过将焦点定位在视网膜前方来控制近视屈光不正的进展。Among various visual defects, the incidence of myopia is increasing year by year, especially among adolescents. It is estimated that by 2050, the global myopia population will reach about 5 billion. Myopia has the potential to develop into high myopia, which is closely associated with the risk of developing various eye diseases such as retinal detachment, cataracts, macular hemorrhage and macular degeneration, glaucoma, etc. 0 to 12 years old is a sensitive period for visual development. At birth, the human eye is generally hyperopic, meaning that the axial length of the eyeball is too short relative to its optical power. The axial length of the eye increases with age, and its elongation process is controlled by a feedback mechanism commonly referred to as emmetropization. During emmetropia, the axis of the eye is controlled by the position of the focal point relative to the retina, but cannot be shortened. Therefore, it has been proposed that the progression of myopic refractive error can be controlled by positioning the focus in front of the retina.

通常,由不同视场角入射的光线形成的最佳聚焦面即称为Petzval面。当Petzval面在视网膜之前时,称之为近视离焦,反之称为远视离焦。常规单焦球镜产生的Petzval面为球形,而眼球一般为椭球形,因此导致周边Petzval面位于视网膜后,形成远视离焦,促进近视屈光不正的进展。目前近视防控镜片的主流设计理念为中心视远(CD,center-for-distance),即镜片中心区域具有用于远视力矫正的处方焦度,而周边为具有正附加焦度的区域,用于在视网膜前形成近视离焦,从而达到抑制或减缓眼轴增长的效果。Usually, the best focusing surface formed by light incident at different field angles is called the Petzval surface. When the Petzval surface is in front of the retina, it is called myopic defocusing, and vice versa, it is hyperopic defocusing. The Petzval surface produced by the conventional monofocal spherical lens is spherical, while the eyeball is generally ellipsoid, so the peripheral Petzval surface is located behind the retina, resulting in hyperopia and defocus, which promotes the progression of myopic refractive error. At present, the mainstream design concept of myopia prevention and control lenses is center-for-distance (CD, center-for-distance), that is, the central area of the lens has the prescribed power for distance vision correction, and the periphery is the area with positive additional power. It is used to form myopia and defocus in front of the retina, so as to achieve the effect of inhibiting or slowing down the growth of the eye axis.

例如,CN110068937A公开了一种具有用于近视控制的光学非同轴区的眼科镜片,该镜片包括中心区、至少一个治疗区和介于两者之间的过渡区,所述中心区具有用于近视视力矫正的负光焦度,而治疗区则通过正附加焦度使得佩戴者眼睛的视网膜平面后面焦点的产生最小化。For example, CN110068937A discloses an ophthalmic lens having an optically non-coaxial zone for myopia control, the lens comprising a central zone, at least one treatment zone and a transition zone therebetween, the central zone having a central zone for Negative power for myopia correction, while the treatment zone minimizes the generation of focus behind the retinal plane of the wearer's eye through positive add power.

CN207867163U公开了一种以非球面构成周边离焦的近视控制镜片,该镜片包括中央光学区和围绕所述中央光学区的周边光学区,所述中央光学区用于在视网膜上形成清晰影像,而周边光学区具有非球面外表面且使得通过的光线成像于眼球的视网膜前方的周边失焦影像区位置处。CN207867163U discloses a myopia control lens with an aspheric surface to form peripheral defocus, the lens includes a central optical zone and a peripheral optical zone surrounding the central optical zone, the central optical zone is used to form a clear image on the retina, and The peripheral optical zone has an aspherical outer surface and causes passing light to be imaged at the location of the peripheral out-of-focus image zone in front of the retina of the eye.

CN104136964B公开了一种多焦点光学镜片,可用于治疗老花或近视加深,该镜片包括产生不同焦点的中心光学区和外围光学区,分别提供用于远视力的中心屈光力和用于近视力的外围屈光力。CN104136964B discloses a multifocal optical lens, which can be used to treat presbyopia or myopia progression. The lens includes a central optical zone and a peripheral optical zone that generate different focal points, respectively providing a central refractive power for distance vision and a peripheral optical zone for near vision. refractive power.

E.L.Smith III等(Eccentricity-dependent effects of simultaneouscompeting defocus on emmetropization in infant rhesus monkeys,VisionResearch,17(3):32-40,2020)采用双焦透镜(中心为零屈光度区,周围为+3D和零屈光度交替的同心环形屈光度区),通过控制中心零屈光度区的直径,使得在一定偏心度以上的物体仅通过双屈光度外周区域成像,由此发现与在较大偏心度施加的近视离焦相比,施加在靠近中心凹的竞争性近视离焦信号对减缓眼轴的轴向生长具有更强且更一致的作用。E.L.Smith III et al. (Eccentricity-dependent effects of simultaneous competing defocus on emmetropization in infant rhesus monkeys, Vision Research, 17(3):32-40, 2020) adopted a bifocal lens (zero diopter zone in the center, +3D and zero diopter around the periphery) Alternating concentric annular diopter zones), by controlling the diameter of the central zero diopter zone, so that objects above a certain eccentricity are imaged only through the double diopter peripheral zone, thus finding that compared with the myopic defocus imposed at larger eccentricities, Competing myopic defocus signals applied close to the fovea had a stronger and more consistent effect on slowing axial growth of the eye.

然而,现有镜片的近视防控效果不尽如人意。因此,对于具有预防近视发生或延缓近视发展作用的新的镜片设计,存在需求。However, the myopia prevention and control effect of the existing lenses is not satisfactory. Therefore, there is a need for new lens designs that have the effect of preventing the occurrence of myopia or delaying the progression of myopia.

发明内容SUMMARY OF THE INVENTION

本发明提供了一种眼科镜片,光学区内沿其中心至边缘方向依次设有第一指定焦度P1和处方焦度P0;其中,第一指定焦度P1为处方焦度P0加上第一附加焦度PA1,并且第一指定焦度P1距离镜片光学中心的距离r1为0.75-0.95mm,处方焦度P0距离镜片光学中心的距离r0为2.5-3.5mm,r1至r0之间的焦度以指定方式渐进变化。The present invention provides an ophthalmic lens, wherein a first specified power P1 and a prescription power P0 are sequentially arranged along the center to the edge direction in the optical zone; wherein, the first specified power P1 is the prescription power P0 plus the first specified power P0 The additional power P A1 , and the distance r1 of the first specified power P1 from the optical center of the lens is 0.75-0.95mm, the distance r0 of the prescription power P0 from the optical center of the lens is 2.5-3.5mm, and the focal point between r1 and r0 The degree changes incrementally in the specified manner.

在一些实施方式中,平行于所述眼科镜片的光轴的入射光束经过第一指定焦度P1后照射在视网膜黄斑中心旁15度范围内的区域。In some embodiments, the incident light beam parallel to the optical axis of the ophthalmic lens passes through the first specified power P1 and irradiates an area within 15 degrees of the center of the retinal macular.

在一些实施方式中,第一附加焦度PA1选自+1.00D至+6.00D、优选+1.20D至+5.00D、更优选+1.50D至+4.00D、最优选+2.00至+3.00D。In some embodiments, the first add power P A1 is selected from +1.00D to +6.00D, preferably +1.20D to +5.00D, more preferably +1.50D to +4.00D, most preferably +2.00 to +3.00D .

在一些实施方式中,在r0至光学区边缘之间的区域内,所述镜片的焦度恒定为处方焦度P0。In some embodiments, the power of the lens is constant at the prescription power P0 in the region between r0 and the edge of the optic zone.

在一些实施方式中,位于光学区中心与第一指定焦度之间还设有第二指定焦度P2,第二指定焦度P2为处方焦度P0加上第二附加焦度PA2,并且第二指定焦度P2距离镜片光学中心的距离r2为0.47-0.67mm;r2至r1之间的焦度以指定方式渐进变化。In some embodiments, a second specified power P2 is further provided between the center of the optical zone and the first specified power, and the second specified power P2 is the prescribed power P0 plus the second additional power P A2 , and The distance r2 of the second specified power P2 from the optical center of the lens is 0.47-0.67 mm; the power between r2 and r1 changes gradually in a specified manner.

在一些实施方式中,平行于所述眼科镜片的光轴的入射光束经过第二指定焦度P2后照射在视网膜黄斑中心旁10度范围内的区域。In some embodiments, the incident light beam parallel to the optical axis of the ophthalmic lens passes through the second specified power P2 and irradiates an area within 10 degrees of the center of the retinal macular.

在一些实施方式中,第二附加焦度PA2与第一附加焦度PA1相同或不同,并且选自+1.00D至+8.00D、优选+1.20D至+7.00D、更优选+1.50D至+6.00D、最优选+2.00至+4.00D。In some embodiments, the second add power P A2 is the same as or different from the first add power P A1 and is selected from +1.00D to +8.00D, preferably +1.20D to +7.00D, more preferably +1.50D to +6.00D, most preferably +2.00 to +4.00D.

在一些实施方式中,位于第一指定焦度P1与处方焦度P0之间还设有第三指定焦度P3,第三指定焦度P3为处方焦度P0加上第三附加焦度PA3,并且第三指定焦度P3距离镜片光学中心的距离r3为1.05-1.25mm,r1至r3、且r3至r0之间的焦度以指定方式渐进变化。In some embodiments, a third specified power P3 is provided between the first specified power P1 and the prescribed power P0, and the third specified power P3 is the prescribed power P0 plus the third additional power P A3 , and the distance r3 of the third specified power P3 from the optical center of the lens is 1.05-1.25 mm, and the powers between r1 to r3 and r3 to r0 are gradually changed in a specified manner.

在一些实施方式中,平行于所述眼科镜片的光轴的入射光束经过第三指定焦度P3后照射在视网膜黄斑中心旁20度范围内的区域。In some embodiments, the incident light beam parallel to the optical axis of the ophthalmic lens passes through a third specified power P3 and irradiates an area within 20 degrees of the center of the retinal macular.

在一些实施方式中,第三附加焦度PA3大于0且小于第一附加焦度PA1In some embodiments, the third add power P A3 is greater than 0 and less than the first add power P A1 .

在一些实施方式中,镜片光学中心的焦度选自P0至P0+8.00D。In some embodiments, the power of the optical center of the lens is selected from P0 to P0+8.00D.

在一些实施方式中,所述眼科镜片是角膜接触镜、巩膜镜、或角膜嵌体。In some embodiments, the ophthalmic lens is a contact lens, a scleral lens, or a corneal inlay.

在一些实施方式中,所述眼科镜片还包括一个或多个稳定特征。In some embodiments, the ophthalmic lens further includes one or more stabilizing features.

本发明提供的技术方案采用中央视近(CN,center-for-near)的设计,将处方焦度设置在镜片光学区的外周,同时还在特定位置进行加光处理,这在一方面避免了周边Petzval面位于视网膜后的情形,另一方面确保在视网膜黄斑中心旁20度范围内的区域产生近视离焦。两种机制共同作用,使得本发明的镜片具有出人预料的近视控制效果。The technical solution provided by the present invention adopts the design of center-for-near (CN, center-for-near), sets the prescription power on the outer periphery of the optical zone of the lens, and also performs light addition processing at a specific position, which avoids the need for The situation in which the peripheral Petzval plane is located behind the retina, on the other hand, ensures that the area within 20 degrees of the center of the macula produces myopic defocus. Both mechanisms work together to provide the lenses of the present invention with unexpected myopia control effects.

附图说明Description of drawings

图1是现有技术中用于预防近视发生和控制近视进展的镜片的示意图;1 is a schematic diagram of a lens used in the prior art for preventing the occurrence of myopia and controlling the progression of myopia;

图2示出了本发明镜片设置第一指定焦度P1时的工作原理图;Fig. 2 shows the working principle diagram of the lens of the present invention when the first specified power P1 is set;

图3示出了设置第一指定焦度P1时镜片的焦度随距离的变化曲线图;Fig. 3 shows the graph of the change of the power of the lens with the distance when the first specified power P1 is set;

图4示出了设置第一指定焦度P1时镜片的焦度随距离的另一种变化曲线图;Fig. 4 shows another variation graph of the power of the lens with the distance when the first specified power P1 is set;

图5示出了设置第一指定焦度P1时镜片的焦度随距离的又一种变化曲线图;Fig. 5 shows another variation graph of the power of the lens with the distance when the first specified power P1 is set;

图6示出了设置第一指定焦度P1、第二指定焦度P2和第三指定焦度P3时镜片的焦度随距离的又一种变化曲线图;Fig. 6 shows another variation graph of the power of the lens with distance when the first specified power P1, the second specified power P2 and the third specified power P3 are set;

图7示出了现有的CD镜片中设置指定焦度后的周边离焦屈光度曲线图;FIG. 7 shows a graph of the peripheral defocus diopter after setting a specified power in an existing CD lens;

图8示出了采用本发明提供的眼科镜片中设置指定焦度后的周边离焦屈光度曲线图。FIG. 8 shows a graph of the peripheral defocus diopter after setting the specified power in the ophthalmic lens provided by the present invention.

具体实施方式Detailed ways

下面将参考附图对本发明的示例性实施方式进行描述。除非另有定义,否则本文中使用的所有技术和/或科学术语具有与本申请所属领域的普通技术人员通常理解的相同的含义。Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. Unless otherwise defined, all technical and/or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

图1示出了CN207867163U中公开的光学镜片的示意图,作为采取周边离焦的现有技术设计的代表性示例。其中,所述光学镜片1包括中心光学区11和周边光学区12,周边光学区的负焦度数低于中心光学区。通过中心光学区的光线在视网膜上形成焦点211,从而形成清晰图像,而通过周边光学区的光线在视网膜前方形成焦点212。Figure 1 shows a schematic diagram of the optical lens disclosed in CN207867163U as a representative example of a prior art design employing peripheral defocus. Wherein, the optical lens 1 includes a central optical zone 11 and a peripheral optical zone 12, and the negative power of the peripheral optical zone is lower than that of the central optical zone. Light passing through the central optic zone forms a focal point 211 on the retina, resulting in a sharp image, while light passing through the peripheral optic zone forms a focal point 212 in front of the retina.

图2示出了本发明镜片设置第一指定焦度P1时的工作原理图。如图2所示,镜片的光学区内沿其中心至边缘方向依次设有第一指定焦度P1和处方焦度P0;其中,第一指定焦度P1为镜片的一个“关键加光位置”,该位置的焦度为指定焦度,以及该位置至处方焦度位置的焦度变化形式为指定形式。在本发明的情形中,所述处方焦度是0或为近视患者提供最佳矫正视力的负焦度。该焦度由医生或验光师具体确定。另外,本发明镜片的光学区中,焦度围绕光学区的中心对称分布,附图仅以示例性方式示出一侧的情况。FIG. 2 shows the working principle diagram of the lens of the present invention when the first specified power P1 is set. As shown in Figure 2, the optical zone of the lens is sequentially provided with a first specified power P1 and a prescribed power P0 along the direction from the center to the edge; wherein, the first specified power P1 is a "key addition position" of the lens , the power of this position is the specified power, and the power change form from the position to the prescribed power position is the specified form. In the context of the present invention, the prescribed power is 0 or a negative power that provides best corrected visual acuity for myopic patients. This power is specifically determined by a doctor or optometrist. In addition, in the optical zone of the lens of the present invention, the power is symmetrically distributed around the center of the optical zone, and the drawings only show the situation of one side in an exemplary manner.

具体而言,第一指定焦度P1为处方焦度P0加上第一附加焦度PA1。其中,第一附加焦度PA1选自+1.00D至+6.00D、优选+1.20D至+5.00D、更优选+1.50D至+4.00D、最优选+2.00至+3.00D。例如,其可以选自+2.25D、+2.50D、+2.75D、+3.25D、+3.50D、+3.75D、+4.25D、+4.50D、+4.75D、+5.25D、+5.50D、+5.75D等。并且第一指定焦度P1距离镜片光学中心的距离r1为0.75-0.95mm,优选0.80-0.90mm,还优选0.85mm,例如0.75、0.76、0.77、0.78、0.79、0.80、0.81、0.82、0.83、0.84、0.85、0.86、0.87、0.88、0.89、0.90、0.91、0.92、0.93、0.94、0.95、0.96、0.97mm。Specifically, the first specified power P1 is the prescription power P0 plus the first additional power P A1 . Among them, the first additional power P A1 is selected from +1.00D to +6.00D, preferably +1.20D to +5.00D, more preferably +1.50D to +4.00D, most preferably +2.00 to +3.00D. For example, it may be selected from +2.25D, +2.50D, +2.75D, +3.25D, +3.50D, +3.75D, +4.25D, +4.50D, +4.75D, +5.25D, +5.50D, +5.75D etc. And the distance r1 of the first specified power P1 from the optical center of the lens is 0.75-0.95mm, preferably 0.80-0.90mm, and preferably 0.85mm, such as 0.75, 0.76, 0.77, 0.78, 0.79, 0.80, 0.81, 0.82, 0.83, 0.84, 0.85, 0.86, 0.87, 0.88, 0.89, 0.90, 0.91, 0.92, 0.93, 0.94, 0.95, 0.96, 0.97mm.

如图2所示,平行于镜片光轴的入射光束经过第一指定焦度后,照射在视网膜黄斑中心旁的指定区域。在本发明的情形中,将其偏离光轴的角度α称为偏心度,或视网膜黄斑中心旁角度。平行于镜片光轴的入射光束经过第一指定焦度后,照射在视网膜黄斑中心旁15度(即α=15°)范围内的区域。在视网膜黄斑中心旁周边20度范围的近视离焦具有更优异的近视控制效果,其中,在15度的位置时近视离焦产生最强的近视控制效果。As shown in Fig. 2, after the incident light beam parallel to the optical axis of the lens passes through the first specified power, it irradiates a specified area next to the center of the macula of the retina. In the context of the present invention, the angle α at which it deviates from the optical axis is referred to as eccentricity, or the paracentre angle of the retinal macular. After the incident light beam parallel to the optical axis of the lens passes through the first specified power, it irradiates an area within a range of 15° (ie α=15°) next to the center of the macula of the retina. The myopic defocus in the range of 20 degrees around the center of the retinal macular has a more excellent myopia control effect, and the myopia defocus at the position of 15 degrees produces the strongest myopia control effect.

对光学区中心至第一指定焦度P1之间的焦度变化没有特别限制。图3示出了设置第一指定焦度P1时镜片的焦度随距离的变化曲线图,其中第一指定焦度P1至光学区中心之间的焦度变化是处方焦度至第一指定焦度之间的焦度变化的自然延续;图4示出了设置第一指定焦度P1时镜片的焦度随距离的另一种变化曲线图;图5示出了设置第一指定焦度P1时镜片的焦度随距离的又一种变化曲线图。There is no particular limitation on the power change between the center of the optical zone and the first specified power P1. Fig. 3 shows a graph showing the change of the power of the lens with distance when the first specified power P1 is set, wherein the power change between the first specified power P1 and the center of the optical zone is the prescription power to the first specified power The natural continuation of the power change between degrees; Fig. 4 shows another graph of the change of the power of the lens with distance when setting the first specified power P1; Fig. 5 shows the setting of the first specified power P1 Another graph of the change in the power of the lens with distance.

如图3至图5所示,处方焦度P0距离镜片光学中心的距离r0为2.5-3.5mm,优选地,距离r0为2.75mm,第一指定焦度P1至处方焦度P0之间的焦度以指定方式渐进变化,该光焦度渐变变化满足以下公式:As shown in FIGS. 3 to 5 , the distance r0 from the prescription power P0 to the optical center of the lens is 2.5-3.5mm, preferably, the distance r0 is 2.75mm, and the focal point between the first specified power P1 and the prescription power P0 The optical power is gradually changed in a specified manner, and this optical power gradual change satisfies the following formula:

P(r)=P0+fA1(r-r1)+PA1 P(r)=P0+f A1 (r-r1)+P A1

其中,r是到镜片光学中心的距离,fA1是r的一次多项式、二次多项式或者N次多项式,r1是第一指定焦度P1到镜片光学中心的距离,P0是处方焦度,PA1是第一附加焦度;满足P(r1)=P0+PA1Among them, r is the distance from the optical center of the lens, f A1 is the first-order polynomial, second-order polynomial or N-degree polynomial of r, r1 is the distance from the first specified power P1 to the optical center of the lens, P0 is the prescription power, P A1 is the first additional power; P(r1)=P0+P A1 is satisfied.

作为示例,以距离角膜接触镜中心0.85mm作为关键加光位置(即r1=0.85mm),并且P0=-3D,PA1=+2.5D,第一指定焦度P1到处方焦度P0之间的焦度计算方式可以为如下任一种:As an example, taking 0.85mm from the center of the contact lens as the key addition position (ie, r1=0.85mm), and P0=-3D, P A1 =+2.5D, between the first specified power P1 and the prescription power P0 The power calculation method of can be any of the following:

1次曲线1st degree curve

P(r)=-3-1.316(r-0.85)+2.5 (式I)P(r)=-3-1.316(r-0.85)+2.5 (Formula I)

2次曲线quadratic curve

P(r)=-3-0.365(r-0.85)2-0.6205(r-0.85)+2.5 (式II)P(r)=-3-0.365(r-0.85) 2 -0.6205(r-0.85)+2.5 (Formula II)

或者or

P(r)=-3-0.692(r-0.85)2+2.5 (式III)P(r)=-3-0.692(r-0.85) 2 +2.5 (Formula III)

3次曲线3rd degree curve

P(r)=-3-0.364(r-0.85)3+2.5 (式IV)P(r)=-3-0.364(r-0.85) 3 +2.5 (Formula IV)

或者or

P(r)=-3-0.378(r-0.85)3+0.025(r-0.85)2+2.5 (式V)P(r)=-3-0.378(r-0.85) 3 +0.025(r-0.85) 2 +2.5 (Formula V)

本发明实施方式中,在所述处方焦度至光学区边缘之间的区域内,所述镜片的焦度恒定为处方焦度。本发明的眼科镜片可以是角膜接触镜、巩膜镜、或角膜嵌体。其中,各类眼科镜片中,所述镜片的光学区直径一般为7.0~12.0mm。本领域技术人员能够理解,眼科镜片的光学区域大小取决于配戴者的睑裂高度和瞳孔直径,因此,本领域技术人员可以根据需要,选择合适的光学区大小。In the embodiment of the present invention, in the region between the prescription power and the edge of the optical zone, the power of the lens is constant as the prescription power. The ophthalmic lenses of the present invention may be contact lenses, scleral lenses, or corneal inlays. Among all kinds of ophthalmic lenses, the diameter of the optical zone of the lens is generally 7.0-12.0 mm. Those skilled in the art can understand that the size of the optical zone of the ophthalmic lens depends on the height of the palpebral fissure and the diameter of the pupil of the wearer. Therefore, those skilled in the art can select an appropriate size of the optical zone as required.

如图3至图5所示,镜片光学中心至第一指定焦度P1之间的焦度不受限制,可根据镜片性能设置,其中,镜片光学中心的焦度可以是P0至P0+8.00D之间的任何数值,镜片光学中心到第一指定焦度之间焦度的变化方式可以为渐变式、阶梯式或恒定值等方式,优选渐变方式(如图3至5所示),或者恒定等于第一指定焦度。因为光焦度的突然变化令加工困难,可能导致表面形态的突然改变。光焦度或镜片表面形态的突然改变,在突变区域产生散射或衍射,但散射可能造成弥散的光线照射在黄斑区,产生光晕、光斑、并降低对比敏感度。As shown in FIGS. 3 to 5 , the power between the optical center of the lens and the first specified power P1 is not limited, and can be set according to the performance of the lens, wherein the power of the optical center of the lens can be from P0 to P0+8.00D Any value between the optical center of the lens and the first specified power can be changed in a gradual way, a stepped way or a constant value, preferably a gradual way (as shown in Figures 3 to 5), or a constant value Equal to the first specified power. Because sudden changes in optical power make processing difficult, sudden changes in surface morphology may result. Sudden changes in optical power or lens surface morphology, resulting in scattering or diffraction in the abrupt region, but scattering may cause diffuse light to strike the macula, producing halos, flares, and reduced contrast sensitivity.

本发明实施方式中,在镜片上的“关键加光位置”可以不止一处,还可在镜片上设置更多的加光位置,以及设定加光位置的加光量,以下以三个加光位置为例,即在镜片上增加第二指定焦度和第三指定焦度。In the embodiment of the present invention, there may be more than one "critical light-adding position" on the lens, and more light-adding positions can also be set on the lens, and the light-adding amount of the light-adding position can be set. The following three light-adding positions are used. Take the position as an example, that is, adding a second specified power and a third specified power to the lens.

如图6所示,位于光学区中心与第一指定焦度之间还可以设有第二指定焦度P2,第二指定焦度P2为处方焦度P0加上第二附加焦度PA2。其中,第二附加焦度PA2与第一附加焦度PA1相同或不同,选自+1.00D至+8.00D、优选+1.20D至+7.00D、更优选+1.50D至+6.00D、最优选+2.00至+4.00D。例如,其可以选自+2.25D、+2.50D、+2.75D、+3.25D、+3.50D、+3.75D、+4.25D、+4.50D、+4.75D、+5.25D、+5.50D、+5.75D等。并且第二指定焦度P2距离镜片光学中心的距离r2为0.47-0.67mm,优选0.50-0.64mm,还优选0.57mm,例如0.47、0.48、0.49、0.50、0.51、0.52、0.53、0.54、0.55、0.56、0.57、0.58、0.59、0.60、0.61、0.62、0.63、0.64、0.65、0.66、0.67mm。平行于所述眼科镜片的光轴的入射光束经过第二指定焦度P2后照射在视网膜黄斑中心旁10度范围内的区域。类似的,对光学区中心至第二指定焦度P2之间的焦度变化没有特别限制。在优选情况下,光学区中心至r2之间的焦度恒定为第二指定焦度P2。As shown in FIG. 6 , a second specified power P2 may be provided between the center of the optical zone and the first specified power, and the second specified power P2 is the prescribed power P0 plus the second additional power P A2 . Wherein, the second additional power P A2 is the same as or different from the first additional power P A1 , and is selected from +1.00D to +8.00D, preferably +1.20D to +7.00D, more preferably +1.50D to +6.00D, Most preferably +2.00 to +4.00D. For example, it may be selected from +2.25D, +2.50D, +2.75D, +3.25D, +3.50D, +3.75D, +4.25D, +4.50D, +4.75D, +5.25D, +5.50D, +5.75D etc. And the distance r2 of the second specified power P2 from the optical center of the lens is 0.47-0.67mm, preferably 0.50-0.64mm, and preferably 0.57mm, such as 0.47, 0.48, 0.49, 0.50, 0.51, 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58, 0.59, 0.60, 0.61, 0.62, 0.63, 0.64, 0.65, 0.66, 0.67mm. The incident light beam parallel to the optical axis of the ophthalmic lens passes through the second specified power P2 and then irradiates an area within 10 degrees next to the center of the macula of the retina. Similarly, there is no particular limitation on the power change between the center of the optical zone and the second specified power P2. In a preferred case, the power between the center of the optical zone and r2 is constant as the second specified power P2.

位于第一指定焦度P1与处方焦度P0之间还可以设有第三指定焦度P3,第三指定焦度P3为处方焦度P0加上第三附加焦度PA3。其中,第三附加焦度PA3大于0且小于第一附加焦度PA1。并且第三指定焦度P3距离镜片光学中心的距离r3为1.05-1.25mm,优选1.10-1.20mm,还优选1.15mm,例如1.05、1.06、1.07、1.08、1.09、1.10、1.11、1.12、1.13、1.14、1.15、1.16、1.17、1.18、1.19、1.20、1.21、1.22、1.23、1.24、1.25mm。平行于所述眼科镜片的光轴的入射光束使得经过第三指定焦度P3后照射在视网膜黄斑中心旁20度范围内的区域。A third specified power P3 may also be provided between the first specified power P1 and the prescribed power P0, and the third specified power P3 is the prescribed power P0 plus the third additional power P A3 . Wherein, the third additional power P A3 is greater than 0 and smaller than the first additional power P A1 . And the distance r3 of the third specified power P3 from the optical center of the lens is 1.05-1.25mm, preferably 1.10-1.20mm, and preferably 1.15mm, such as 1.05, 1.06, 1.07, 1.08, 1.09, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21, 1.22, 1.23, 1.24, 1.25mm. The incident light beam parallel to the optical axis of the ophthalmic lens is such that after passing through the third specified power P3, it irradiates an area within 20 degrees of the center of the macula of the retina.

第二指定焦度P2至第一指定焦度P1之间的焦度以指定方式渐进变化,该光焦度渐变变化满足以下公式:The power between the second specified power P2 and the first specified power P1 changes gradually in a specified manner, and the gradual change of the power satisfies the following formula:

P(r)=P0+fA2(r-r2)+PA2 P(r)=P0+f A2 (r-r2)+P A2

其中,r是到镜片光学中心的距离,fA2是r的一次多项式、二次多项式或者N次多项式,r2是第二指定焦度P2到镜片光学中心的距离,P0是处方焦度,PA2是第二附加焦度。Among them, r is the distance to the optical center of the lens, f A2 is the first-order polynomial, second-order polynomial or N-degree polynomial of r, r2 is the distance from the second specified power P2 to the optical center of the lens, P0 is the prescription power, P A2 is the second additional power.

如图6所示,第一指定焦度P1至第三指定焦度P3之间的焦度以指定方式渐进变化,该光焦度渐变变化满足以下公式:As shown in FIG. 6 , the power between the first specified power P1 and the third specified power P3 changes gradually in a specified manner, and the gradual change of the power satisfies the following formula:

P(r)=P0+fA1(r-r1)+PA1 P(r)=P0+f A1 (r-r1)+P A1

其中,r是到镜片光学中心的距离,fA1是r的一次多项式、二次多项式或者N次多项式,r1是第一指定焦度到镜片光学中心的距离,P0是处方焦度,PA1是第一附加焦度;并且第三指定焦度P3至处方焦度P0之间的焦度以指定方式渐进变化,所述焦度满足以下公式:where r is the distance from the optical center of the lens, f A1 is the first-order polynomial, second-order polynomial, or Nth-degree polynomial of r, r1 is the distance from the first specified power to the optical center of the lens, P0 is the prescription power, and P A1 is the The first additional power; and the power between the third specified power P3 and the prescribed power P0 is gradually changed in a specified manner, and the power satisfies the following formula:

P(r)=P0+fA3(r-r3)+PA3 P(r)=P0+f A3 (r-r3)+P A3

其中,r是到镜片光学中心的距离,fA3是r的一次多项式、二次多项式或者N次多项式,r3是第三指定焦度P3到镜片光学中心的距离,P0是处方焦度,PA3是第三附加焦度。Among them, r is the distance to the optical center of the lens, f A3 is the first-order polynomial, second-order polynomial or Nth-degree polynomial of r, r3 is the distance from the third specified power P3 to the optical center of the lens, P0 is the prescription power, P A3 is the third additional power.

由此,本发明实施方式中,通过在镜片上额外设置第二指定焦度P2和第三指定焦度P3,使得镜片在视网膜黄斑中心旁更广范围内产生近视离焦,从而提供稳定的近视控制效果。另外需要强调的是,本实施方式仅以三个加光位置为例,但并不局限于以上三个加光位置,镜片可根据实际使用及性能要求进行不同的加光设置。Therefore, in the embodiment of the present invention, by additionally setting the second specified power P2 and the third specified power P3 on the lens, the lens can generate myopia and defocus in a wider range beside the center of the retina, thereby providing stable myopia Control effect. It should also be emphasized that this embodiment only takes three light-adding positions as an example, but is not limited to the above three light-adding positions, and the lens can have different light-adding settings according to actual use and performance requirements.

本发明提供的技术方案,通过在镜片的特定位置进行加光处理,即在特定位置设置指定焦度,经过该特定位置的窄光束经过瞳孔中心后,将照射在视网膜黄斑中心旁10度至20度范围内的区域。在该区域范围内的近视离焦具有更优的近视控制效果,因此应当在10至20度产生尽量多的近视离焦,其中以15度最为重要。为体现本发明镜片的优势,发明人采用如下模拟方法,对现有技术镜片和本发明的镜片进行了比较。The technical solution provided by the present invention is to add light at a specific position of the lens, that is, to set a specified power at a specific position, and after the narrow beam passing through the specific position passes through the center of the pupil, it will be irradiated at 10 degrees to 20 degrees next to the center of the retinal macular. area within the range. The myopia and defocus in this area has better control effect of myopia, so it should produce as much myopia and defocus as possible within 10 to 20 degrees, of which 15 degrees is the most important. In order to demonstrate the advantages of the lens of the present invention, the inventors used the following simulation method to compare the prior art lens with the lens of the present invention.

模拟方法Simulation method

如Liou等所述(Hwey-Lan Liou and Noel A.Brennan,"Anatomically accurate,finite model eye for optical modeling,"J.Opt.Soc.Am.A 14,1684-1695(1997)),在OpticStudio Zemax中建立Liou&Brennan模型眼,并在模拟眼前按照P(r)=P0+SA*r^2的光焦度,加入相应的光学曲面对相应的隐形眼,进行模拟。As described by Liou et al. (Hwey-Lan Liou and Noel A. Brennan, "Anatomically accurate, finite model eye for optical modeling," J. Opt. Soc. Am. A 14, 1684-1695 (1997)), in OpticStudio Zemax Liou&Brennan model eye is established in , and according to the optical power of P(r)=P0+SA*r^2, the corresponding optical surface is added to simulate the corresponding contact eye in front of the simulated eye.

在OpticStudio Zemax中计算不同视场角的zernike函数系数,Zernike vsField,取得其中的z4,z11,z22,z6,z12,z24的参数以及出瞳直径,代入至以下公式之中,计算不同视场角时的离焦屈光度。Calculate the zernike function coefficient of different field of view in OpticStudio Zemax, Zernike vsField, obtain the parameters of z4, z11, z22, z6, z12, z24 and the diameter of the exit pupil, and substitute them into the following formulas to calculate different fields of view. defocus diopter.

Figure BDA0003031898100000101
Figure BDA0003031898100000101

结果result

现有技术镜片通常为CD设计,如中央设置-3D的处方焦度,以SA=0.33D/mm,按照P(r)=P0+SA*r^2,在0.85mm处加光0.24D,在3mm处加光0.33*3^2=3D。图7示出了现有的CD镜片中设置指定焦度后的变化曲线图。如图7所示,通过计算可知,在视网膜黄斑中心旁15度区域内,仅仅产生-0.24D近视离焦,因此,并不能达到更优的近视控制效果。The prior art lenses are usually designed for CD, such as the central setting of -3D prescription power, with SA=0.33D/mm, according to P(r)=P0+SA*r^2, add light 0.24D at 0.85mm, Add light 0.33*3^2=3D at 3mm. FIG. 7 is a graph showing the change of the conventional CD lens after setting the specified power. As shown in Figure 7, it can be seen from the calculation that only -0.24D myopia defocus is generated in the 15-degree area next to the center of the retinal macula, therefore, a better myopia control effect cannot be achieved.

本发明实施方式中的眼科镜片,在镜片光学区周边设置处方焦度-3D,在距眼科镜片中心0.85mm处设置第一附加焦度PA1为2.76D,因此获得第一指定焦度P1为-0.24D,然后在处方焦度处向第一指定焦度处再向眼科镜片中心逐渐加光。图8示出了采用本发明提供的眼科镜片中设置指定焦度后的周边离焦屈光度曲线图。如图8所示,在视网膜黄斑中心旁15度区域内,产生-3.06D的近视离焦,因此,本发明实施方式提供的眼科镜片具有更优的近视控制效果。In the ophthalmic lens in the embodiment of the present invention, the prescription power -3D is set around the optical zone of the lens, and the first additional power P A1 is set at 0.85mm from the center of the ophthalmic lens to be 2.76D, so the first specified power P1 is obtained as -0.24D, then gradually add power to the center of the ophthalmic lens at the prescription power to the first specified power. FIG. 8 shows a graph of the peripheral defocus diopter after setting the specified power in the ophthalmic lens provided by the present invention. As shown in FIG. 8 , within a 15-degree area next to the center of the retinal macular, a myopia defocus of -3.06D is generated. Therefore, the ophthalmic lens provided by the embodiment of the present invention has a better control effect of myopia.

实施例Example

在一组包含5名近视患者的初步研究中测试了本发明镜片对近视进展的延缓作用。所述患者的平均年龄为11岁,使用的接触镜片的基弧半径为8.6mm,直径14.5mm,其中,光学区半径3.5mm,在0.85mm处加光+2.50D。开始实验时,所用镜片的平均球面屈光力为-2.60D。患者每天佩戴本发明镜片,每3个月进行一次检查并更换新的镜片,在佩戴12个月后,镜片的平均球镜为-2.90D,近视度数进展为-0.30D。。The lenses of the present invention were tested for retardation of myopia progression in a pilot study consisting of 5 myopic patients. The average age of the patients was 11 years, and the contact lenses used had a base arc radius of 8.6 mm and a diameter of 14.5 mm, with an optic zone radius of 3.5 mm and a plus light +2.50D at 0.85 mm. At the beginning of the experiment, the average spherical power of the lenses used was -2.60D. The patient wears the lens of the present invention every day, checks every 3 months and replaces the new lens. After 12 months of wearing, the average spherical lens of the lens is -2.90D, and the progression of myopia is -0.30D. .

而根据文献(Walline JJ等.Effect of High Add Power,Medium Add Power,orSingle-Vision Contact Lenses on Myopia Progression in Children:The BLINKRandomized Clinical Trial.JAMA.2020;324(6):571-580)的记载,相同的监测条件,CD镜片设计的不同加光度数对近视的控制中,+2.50D组近视进展平均每年-0.60D,+1.5D组近视进展平均每年-0.89D,对照组单焦点隐形眼镜平均每年-1.05D。由此可知,本发明实施方式提供的矫正方式优于现有的CD镜片矫正方式。According to the records in the literature (Walline JJ et al. Effect of High Add Power, Medium Add Power, or Single-Vision Contact Lenses on Myopia Progression in Children: The BLINKRandomized Clinical Trial. JAMA. 2020; 324(6): 571-580), Under the same monitoring conditions, in the control of myopia with different additions of CD lens design, the average myopia progression in the +2.50D group was -0.60D per year, the +1.5D group was on average -0.89D per year, and the average of the control group monofocal contact lenses was -0.89D per year. -1.05D per year. It can be seen that the correction method provided by the embodiment of the present invention is superior to the existing CD lens correction method.

本领域技术人员将理解,本文中描述的发明除了具体描述的内容之外还可以进行变化和修改。本发明并不局限于本文中描述和示出的具体构造,而是包括落入其精神和范围内的所有的此类变化和修改。本领域技术人员可以在不背离本发明实质和范围的情况下,对本说明书中单独或共同提出的特征、结构或部分中的任意两个或更多个进行任意组合。It will be understood by those skilled in the art that the invention described herein may be subject to changes and modifications in addition to those specifically described. The present invention is not limited to the specific constructions described and illustrated herein, but includes all such changes and modifications that fall within its spirit and scope. Those skilled in the art may make any combination of any two or more of the features, structures or parts presented in this specification, individually or collectively, without departing from the spirit and scope of the invention.

Claims (13)

1.一种具有关键加光位置的眼科镜片,其特征在于,光学区内沿其中心至边缘方向依次设有第一指定焦度P1和处方焦度P0;1. an ophthalmic lens with a key light-adding position, characterized in that, the optical zone is sequentially provided with a first specified power P1 and a prescription power P0 along its center to the edge direction; 其中,第一指定焦度P1为处方焦度P0加上第一附加焦度PA1,并且第一指定焦度P1距离镜片光学中心的距离r1为0.75-0.95mm,Wherein, the first specified power P1 is the prescription power P0 plus the first additional power P A1 , and the distance r1 between the first specified power P1 and the optical center of the lens is 0.75-0.95mm, 处方焦度P0距离镜片光学中心的距离r0为2.5-3.5mm,The distance r0 of the prescription power P0 from the optical center of the lens is 2.5-3.5mm, r1至r0之间的焦度以指定方式渐进变化。The power between r1 and r0 changes progressively in a specified manner. 2.根据权利要求1所述的眼科镜片,其特征在于,平行于所述眼科镜片的光轴的入射光束经过第一指定焦度P1后照射在视网膜黄斑中心旁15度范围内的区域。2 . The ophthalmic lens according to claim 1 , wherein the incident light beam parallel to the optical axis of the ophthalmic lens passes through the first specified power P1 and irradiates an area within 15 degrees of the center of the retinal macular. 3 . 3.根据权利要求1或2所述的眼科镜片,其特征在于,第一附加焦度PA1选自+1.00D至+6.00D、优选+1.20D至+5.00D、更优选+1.50D至+4.00D、最优选+2.00至+3.00D。3. The ophthalmic lens according to claim 1 or 2, wherein the first additional power P A1 is selected from +1.00D to +6.00D, preferably +1.20D to +5.00D, more preferably +1.50D to +4.00D, most preferably +2.00 to +3.00D. 4.根据权利要求1至3任一项所述的眼科镜片,其特征在于,在r0至光学区边缘之间的区域内,所述镜片的焦度恒定为处方焦度P0。4. The ophthalmic lens according to any one of claims 1 to 3, wherein in the region between r0 and the edge of the optical zone, the power of the lens is constant at the prescription power P0. 5.根据权利要求1至4任一项所述的眼科镜片,其特征在于,位于光学区中心与第一指定焦度之间还设有第二指定焦度P2,第二指定焦度P2为处方焦度P0加上第二附加焦度PA2,并且第二指定焦度P2距离镜片光学中心的距离r2为0.47-0.67mm;r2至r1之间的焦度以指定方式渐进变化。5. The ophthalmic lens according to any one of claims 1 to 4, wherein a second specified power P2 is further provided between the center of the optical zone and the first specified power, and the second specified power P2 is The prescribed power P0 is added to the second additional power P A2 , and the distance r2 of the second specified power P2 from the optical center of the lens is 0.47-0.67 mm; the power between r2 and r1 changes gradually in a specified manner. 6.根据权利要求5所述的眼科镜片,其特征在于,平行于所述眼科镜片的光轴的入射光束经过第二指定焦度P2后照射在视网膜黄斑中心旁10度范围内的区域。6 . The ophthalmic lens according to claim 5 , wherein the incident light beam parallel to the optical axis of the ophthalmic lens passes through the second specified power P2 and irradiates an area within 10 degrees of the center of the retinal macular. 7 . 7.根据权利要求5所述的眼科镜片,其特征在于,第二附加焦度PA2与第一附加焦度PA1相同或不同,并且选自+1.00D至+8.00D、优选+1.20D至+7.00D、更优选+1.50D至+6.00D、最优选+2.00至+4.00D。7. The ophthalmic lens according to claim 5, wherein the second add power P A2 is the same as or different from the first add power P A1 and is selected from +1.00D to +8.00D, preferably +1.20D to +7.00D, more preferably +1.50D to +6.00D, most preferably +2.00 to +4.00D. 8.根据权利要求1至7任一项所述的眼科镜片,其特征在于,位于第一指定焦度P1与处方焦度P0之间还设有第三指定焦度P3,第三指定焦度P3为处方焦度P0加上第三附加焦度PA3,并且第三指定焦度P3距离镜片光学中心的距离r3为1.05-1.25mm,r1至r3、且r3至r0之间的焦度以指定方式渐进变化。8. The ophthalmic lens according to any one of claims 1 to 7, wherein a third specified power P3 is further provided between the first specified power P1 and the prescribed power P0, and the third specified power is P3 is the prescription power P0 plus the third additional power P A3 , and the distance r3 of the third specified power P3 from the optical center of the lens is 1.05-1.25mm, and the power between r1 and r3 and between r3 and r0 is 1.05-1.25mm. The designation method changes incrementally. 9.根据权利要求8所述的眼科镜片,其特征在于,平行于所述眼科镜片的光轴的入射光束经过第三指定焦度P3后照射在视网膜黄斑中心旁20度范围内的区域。9 . The ophthalmic lens according to claim 8 , wherein the incident light beam parallel to the optical axis of the ophthalmic lens passes through the third specified power P3 and irradiates an area within 20 degrees of the center of the retinal macular. 10 . 10.根据权利要求8所述的眼科镜片,其特征在于,第三附加焦度PA3大于0且小于第一附加焦度PA110 . The ophthalmic lens of claim 8 , wherein the third additional power P A3 is greater than 0 and smaller than the first additional power P A1 . 11 . 11.根据前述权利要求任一项所述的眼科镜片,其特征在于,镜片光学中心的焦度选自P0至P0+8.00D。11. The ophthalmic lens of any preceding claim, wherein the optical center of the lens has a power selected from P0 to P0+8.00D. 12.根据前述权利要求任一项所述的眼科镜片,其特征在于,所述眼科镜片是角膜接触镜、巩膜镜、或角膜嵌体。12. The ophthalmic lens of any preceding claim, wherein the ophthalmic lens is a contact lens, a scleral lens, or a corneal inlay. 13.根据前述权利要求任一项所述的眼科镜片,其特征在于,所述眼科镜片还包括一个或多个稳定特征。13. The ophthalmic lens of any preceding claim, further comprising one or more stabilizing features.
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