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WO2014198027A1 - 屈光不正治疗眼镜 - Google Patents

屈光不正治疗眼镜 Download PDF

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Publication number
WO2014198027A1
WO2014198027A1 PCT/CN2013/077129 CN2013077129W WO2014198027A1 WO 2014198027 A1 WO2014198027 A1 WO 2014198027A1 CN 2013077129 W CN2013077129 W CN 2013077129W WO 2014198027 A1 WO2014198027 A1 WO 2014198027A1
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Prior art keywords
spectacles
degree
mode
glasses
lens
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PCT/CN2013/077129
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English (en)
French (fr)
Inventor
樊毅
Original Assignee
Fan Yi
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Application filed by Fan Yi filed Critical Fan Yi
Priority to PCT/CN2013/077129 priority Critical patent/WO2014198027A1/zh
Priority to CN201380078659.2A priority patent/CN105765445B/zh
Publication of WO2014198027A1 publication Critical patent/WO2014198027A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/24—Myopia progression prevention

Definitions

  • the international classification number of the present invention is G02C 7/02.
  • the invention relates to a pair of glasses, in particular to a pair of glasses capable of improving the vision of a patient with myopia and hyperopia.
  • Refractive does not mean that parallel rays 5 meters away are refracted by the refractive system of the human eye and cannot be clearly imaged on the retina, including myopia, hyperopia and astigmatism. Among them, myopia patients account for the vast majority.
  • medical treatment for refractive error is divided into two methods: (1) contact treatment. This method includes laser surgery to cut the cornea, Orthokeratology, and the like. (2) Non-contact treatment. This method includes various myopia treatment instruments, myopia treatment glasses, and the like.
  • Bifocal glasses are designed for the elderly who have both myopia and presbyopia symptoms. These elderly people need to wear myopia glasses when they are far away and wear reading glasses when they are close.
  • the lens of the bifocal glasses is designed such that the upper half of the lens (referred to as the far vision area) is a myopic mirror, and the lower half (referred to as the near vision area) is a reading glasses.
  • wearing bifocal glasses can lead to adaptive problems such as dizziness and headache.
  • progressive multifocal glasses have appeared. Such glasses add a transitional zone of varying degrees between the far-field and the near-field.
  • the distance zones of some bifocal glasses and progressive multifocal glasses are designed as high-degree myopia mirrors, and the near-field is designed as a low-degree myopia mirror.
  • progressive multifocal myopia has reduced the adaptability of the human eye due to the increase of the transition zone, but it has not solved the problem fundamentally.
  • the adaptability is more influential.
  • these glasses can only delay the development of myopia, and can not really improve vision. But we can conclude a method of myopia treatment, which requires different degrees of lens for different distances of vision.
  • this method has two problems: (1) this method requires wearing a variety of different degrees of glasses, which is very inconvenient. (2) This method requires the human eye to have a strong self-adaptive ability, for most people. The efficiency of treatment is too low. There are also some patented technologies for treating myopia based on the principle of biofeedback, such as US7997725 Patent, but all are more complicated.
  • the purpose of the 7980690 patent is to provide a need for optometry for the poor in remote areas of developing countries with conditions behind.
  • Cheap glasses that can adjust the degree by themselves.
  • the technical problem to be solved by the present invention is to solve the problem that the current myopia treatment apparatus and the myopia treatment glasses have low practicality and low efficiency, and provide a glasses which can improve the vision of myopia and hyperopia patients, and an operation method of the treatment process.
  • the principle of the invention is to use the self-adjusting function of the human eye to provide a glasses that can change the myopia or the degree of farsightedness with time.
  • the wearer can use it as normal glasses, and gradually adapt to lower-level glasses during normal use. Achieve the therapeutic effect of improving vision.
  • the technical solution provided by the present invention is that the glasses are composed of six main parts: (1) central processing unit (CPU) (2) electronic clock (3) array data loss of lens degree (4) smart phone Commonly used gravity sensors (5) electronic clock start and stop buttons, gravity sensing start and stop buttons, distance mode manual selection button (6) glasses with precise degrees of change (ie zoom glasses).
  • CPU central processing unit
  • electronic clock (3) array data loss of lens degree
  • smart phone Commonly used gravity sensors (5) electronic clock start and stop buttons, gravity sensing start and stop buttons, distance mode manual selection button (6) glasses with precise degrees of change (ie zoom glasses).
  • the distance mode is divided into two types: the far view mode and the near mode. Looking far mode means that the wearer needs to look at distant objects. At this time, whether it is myopia or hyperopia, the required degree will be higher. Looking at the near mode means that the wearer needs to look at the near object. At this time, whether it is a nearsightedness or a farsighted patient, the required degree will be relatively low.
  • the manual selection of the distance mode means that when the gravity sensor is not working, the wearer specifies whether it is currently looking far or near, which is mainly suitable for daily work and life with small distance changes.
  • the gravity sensor is suitable for young myopia patients to use when the distance changes frequently. For example, when class is in the classroom, sometimes it is necessary to look at the distance blackboard, and sometimes it is necessary to look at the textbook or writing near. Under normal circumstances, the head is to look at the distance, the head is to look close, once the gravity sensor starts working, it can automatically detect the wearer's head and head movements, to determine whether the wearer is currently looking at the distance or watching Near.
  • the array data format of the lens power change is: (a, b, c, d, e).
  • a represents the left eye or the right eye
  • b represents time, in seconds
  • c represents the lens power
  • d represents the myopia lens or the far vision lens
  • e represents whether to look at the far mode or the near mode.
  • (1, 1, 300, 1, 1) means that the left lens becomes a 300 degree myopia in the first second when looking far.
  • (1 , 60, 290, 1, 1) means that when looking far, the left lens becomes a 290 degree myopia in the 60th second.
  • (2,1,100,1,2) means that the right-eye lens becomes a 100-degree myopia in the first second when the near-eye lens is viewed.
  • (2, 60, 90, 1, 2) means that the right-eye lens becomes 90-degree myopia at 60 seconds.
  • the following is a table description.
  • the technical solution has three modes of operation: (1) the electronic clock is not activated (2) the electronic clock is activated but the gravity sensor is not activated (3) both the electronic clock and the gravity sensor are activated.
  • the operation method is: (1) input the array data of the lens power change into the data memory (2) the CPU reads the data in the data memory once per second, and selects the button according to the distance mode manual selection button. , matching array data. If the current mode is the first second, the distance mode manual selection button is in the far view mode, and the distance mode degree of the first second of the change time is matched, and the degree change request is sent to the zoom glasses (3) the zoom glasses are changed to the settings in the array data. Degree.
  • the distance mode manual selection button is invalid, and the gravity sensor will automatically detect the wearer's head and bow movements, and automatically determine whether it is looking far or near. Other operations are the same as when gravity sensing is not activated.
  • the technical solution can enable the wearer to treat at any time in daily life, and the treatment efficiency is greatly improved.
  • the overall lens power in the present technical solution is the same degree at the same time, and can solve the adaptation problem of the human eye. It can improve the vision of patients with myopia and hyperopia, rather than just slowing down the development of myopia.
  • the technical solution can precisely adjust the change of the lens degree according to the human eye adaptability of different people. People with strong eyesight adaptability can speed up the change of lens power in time. People with weak eyesight adaptability can slow down the speed of lens changes in time, thus greatly improving the treatment efficiency of refractive error. Moreover, due to the use of the gravity sensor, the burden on the eye when looking at the vicinity can be reduced, and the treatment efficiency can be further improved.
  • Figure 1 is a flow chart of the operation method of the present invention
  • Figure 2 is a schematic view showing the modification of the structure of U.S. Patent No. 7,980,690
  • modules (1), (2), (3), (4), (5) can be implemented using an integrated circuit composed of a programmable storable microcontroller and a gravity sensing chip.
  • the implementation of module (6) is related to the specific zoom glasses technology.
  • An embodiment based on the U.S. Patent No. 7,980,690 is given here.
  • This patent describes a zoom lens based on the patent No. 3,305,294, and
  • FIG. 2 is a part of the structural schematic of the patent, which describes the rotation of the knob by mechanically rotating the knob 23R through a mechanical transmission structure. It is the axial translation of the lens to achieve a change in the power of the lens.
  • the partial structure of the 7980690 patent can be modified to become the module (6) of the present invention.
  • the micro stepper motor of Figure 2 can be used. Motor) instead of the knob 23R.
  • the stepping motor can convert the electric pulse signal into precise angular displacement.
  • Each electric pulse signal can rotate the rotating shaft of the motor at a fixed angle, so that the electric motor can be used to control the stepping motor to rotate at a specific angle. .
  • the angular rotation of the stepper motor can be translated into a precise translation of the lens. According to the description of the patent No. 3,305,294, the axial translation of the lens has a linear relationship with the change in the degree.
  • the invention can also be implemented using any other patented zoom lens technology, such as the US Pat. No. 7,475,985 patented by Pixel Optics, Inc., which describes a zoom lens in which the lens is filled with a liquid crystal material and the voltage can be varied. The arrangement of the liquid crystal material is controlled to achieve a change in the degree of the lens. Since the change in voltage has a linear relationship with the change in the degree of the lens, the degree of change can be precisely controlled by the electrical signal.
  • Other patented zoom glasses are not exemplified.
  • modules (1), (2), (3), (4), (5) can be implemented by an integrated circuit composed of a single chip microcomputer and a gravity sensing chip.
  • the zoom lens function of the module (6) is also fully industrially practical.
  • the world's smallest micro stepping motor, which is only 2 cm in diameter, can be used on glasses.
  • the present invention has industrial applicability.

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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

一种治疗屈光不正的眼镜，其由6个部分组成（1）中央处理器；（2）电子时钟；（3）镜片度数变化的数组数据存储器；（4）智能手机中常用的重力感应器；（5）电子时钟启动和停止按钮、重力感应启动和停止按钮、距离模式人工选择按钮；（6）度数可以精确变化的眼镜。这种治疗屈光不正的眼镜利用人眼的自我调节功能，通过对电子时钟，中央处理器，重力感应器，变焦眼镜等组成部分的一系列流程控制来实现镜片度数的规律变化，从而提供一副可以随时间变化近视或远视度数的眼镜，佩戴者可以当作正常眼镜来使用，在正常使用过程中逐渐适应更低度数的眼镜，以达到提高视力的治疗效果。这种治疗屈光不正的眼镜解决了目前近视治疗仪和近视治疗眼镜实用性差效率低的问题。

Description

屈光不正治疗眼镜 Technical Field
本发明的国际分类号为G02C 7/02。本发明涉及一种眼镜，具体为一种能够提高近视和远视患者视力的眼镜。
Background Art
屈光不正是指5米外的平行光线经过人眼的屈光系统折射后，不能在视网膜上清晰成像，包括近视、远视及散光。其中近视患者占绝大多数。目前对屈光不正的医学治疗分为两种方法：（1）接触式治疗。这种方法包括激光手术切削角膜、角膜塑形镜等。（2）非接触式治疗。这种方法包括各种近视治疗仪、近视治疗眼镜等。
这两种方式在全球范围内都有大量专利，但都有其局限性。接触式治疗的优点在于见效快，缺点在于由于需要用异物直接接触眼球，因此风险大，且不适合所有人。非接触式治疗使用的方法很多，但疗效很不显著，原因是近视治疗仪必须利用专门时间进行治疗，因此大多数人不能坚持。近视治疗眼镜如双光眼镜和渐进多焦点眼镜等则都有佩戴不舒适的问题。
双光眼镜是为同时有近视和老花症状的老人设计的。这些老人需要看远处时佩戴近视眼镜，看近处时佩戴老花眼镜。双光眼镜的镜片设计为镜片的上半部（称为视远区）为近视镜，下半部（称为视近区）为老花镜。但由于同一个镜片上的不同区域度数不同，佩戴双光眼镜会导致人出现头晕头痛等适应性问题。为了提高人眼的适应性，又出现了渐进多焦点眼镜。这种眼镜在视远区和视近区之间增加了度数逐渐变化的过渡区。一些双光眼镜和渐进多焦点眼镜的视远区被设计为度数较高的近视镜，视近区被设计为度数较低的近视镜。国外一些医学研究表明，青少年近视患者佩戴这样的眼镜，可以延缓近视的发展。
渐进多焦点近视镜与双光近视镜相比，尽管由于增加了过渡区，减轻了人眼的适应性问题，但并没有从根本上解决问题，对于青少年近视患者来说，适应性更加影响疗效。另外，这些眼镜都只能延缓近视发展，并不能真正提高视力。 但我们可以从中总结出一种近视治疗方法，即对于不同的视物距离需要使用不同度数的镜片。
2008 年，美国人大卫·德·安吉利斯（David De Angelis）出版了《完美视力的秘密》（The Secret Of Perfect Vision）一书。书中介绍了他自己发明的近视治疗方法，这种方法的特点在于利用人眼具有自我适应的生物反馈能力的特点，不断佩戴更低度数的眼镜来治疗近视和远视。 大卫·德·安吉利斯在书中指出，眼球在适应度数规律变化的眼镜时，会引发人眼的自动适应过程，例如一个近视度数为 300 度的人，长期佩戴 200 度的眼镜，眼球的实际近视度数就会向 200 度降低。因此长期使用他的方法，近视度数就会逐渐降低。这种方法也可以用来治疗远视。 但这种方法有两个问题：（1）这种方法要求佩戴多款不同度数的眼镜，很不方便（2）这种方法要求人眼具有很强的自我适应能力，对于大多数人来说治疗的效率过低。另外还有一些根据生物反馈原理治疗近视的专利技术，如美国7997725 号专利，但都比较复杂。
1967 年2月21日，美国物理学家路易斯·沃尔特·阿尔瓦雷斯（Luis Walter Alvarez）发明的美国3305294号专利获得了授权。该专利描述了两块构造特殊的透镜做垂直轴向的平行移动时，会造成轴向的屈光度变化。我们知道，传统的眼镜由于制造成本原因，通常镜片的度数设计为25度的整倍数，而利用该专利可以制造出动态变化为任意度数的眼镜。美国7980690号专利，就描述了一款使用3325294号专利技术实现的可以动态调节眼镜度数的眼镜。7980690号专利的发明人荷兰聚焦视力基金会（Stichting Focus on Vision Foundation）已经根据该专利生产出了产品。根据荷兰聚焦视力基金会的网站介绍（http://www.focus-on-vision.org/），7980690号专利的目的是为了给条件落后的发展中国家偏远地区的贫穷人口提供一款无需验光，能够自己调节度数的廉价眼镜。
并非只有3305294号专利一种变焦眼镜技术。1980年2月26日获得授权的美国第4190330号专利，也是一款能够变化透镜焦距的技术。这种技术描述了用液晶作为填充材料的透镜，可以通过施加电压的变化改变其焦距。美国像素光学（PixelOptics）公司拥有的7475985号美国专利，则描述了在4190330号专利基础上的实现的一款眼镜。这款眼镜的目的就是通过电压的变化改变镜片度数，从而实现类似于双光眼镜的功能。像素光学公司已经生产出了一款这样的眼镜，目标客户是同时有近视和老花症状的老人。
其他的变焦眼镜技术还有1964年12月15日获得授权的美国3161718号专利，1971年8月10日获得授权的美国3598479号专利等。
但以上这些变焦眼镜技术的衍生产品，都是作为一款可变度数的矫正视力眼镜来进行设计和推广的。矫正视力（correcting vision）仅仅是通过佩戴眼镜让视力达到正常情况，还没有人在这些变焦眼镜技术基础上发明能够提高视力（improving vision）的眼镜。提高视力是指只需要佩戴比以前度数低的眼镜，就可以达到以前的视力水平。治疗近视和远视的过程也就是提高视力的过程。
 Technical Problem
本发明要解决的技术问题是解决目前的近视治疗仪和近视治疗眼镜实用性差效率低的问题，提供一种可以提高近视和远视患者视力的眼镜，以及治疗过程的操作方法。
 Technical Solution
本发明的原理是利用人眼的自我调节功能，提供一款可以随时间变化近视或远视度数的眼镜，佩戴者可以当做正常眼镜来使用，在正常使用过程中逐渐适应更低度数的眼镜，以达到提高视力的治疗效果。
为解决该技术问题，本发明提供的技术方案是眼镜由6个主要部分组成：（1）中央处理器（CPU）（2）电子时钟（3）镜片度数变化的数组数据存储器（4）智能手机中常用的重力感应器（5）电子时钟启动和停止按钮、重力感应启动和停止按钮、距离模式人工选择按钮（6）度数可以精确变化的眼镜（即变焦眼镜）。
距离模式分为看远模式和看近模式两种。看远模式是指佩戴者需要看远处的物体，此时无论是近视还是远视患者，所需度数都会比较高。看近模式是指佩戴者需要看近处的物体，此时无论是近视还是远视患者，所需度数都会比较低。
距离模式的人工选择，是指在重力感应器不工作时，由佩戴者指定当前是在看远处还是看近处，这主要适用于距离变化微小的日常工作和生活。
而重力感应器适用于青少年近视患者在距离变化较为频繁的时候使用，比如在教室上课时，有时需要看远处黑板，有时需要看近处的课本或者写字。 一般情况下，抬头就是要看远处，低头就是要看近处，重力感应器一旦开始工作，就可以自动检测到佩戴者的抬头和低头动作，从而判断佩戴者当前是在看远处还是看近处。
镜片度数变化的数组数据格式为：（a，b，c，d，e）。a代表左眼还是右眼，b代表时间，以秒为单位，c代表镜片度数，d代表是近视镜片还是远视镜片，e代表是看远模式还是看近模式。
例如（1，1，300，1，1）代表看远时左眼镜片在第1秒钟变为300度近视镜。（1 ，60，290，1，1）代表看远时左眼镜片在第60秒钟变为290度近视镜。（2，1，100，1，2）代表看近时右眼镜片在第1秒钟变为100度近视镜。（2，60，90，1，2）代表看近时右眼镜片在第60秒钟变为90度近视镜。以下为表格说明。
左眼（1）右眼（2） 时间（秒） 镜片度数 近视（1）远视（2） 看远（1）看近（2） 解释
1 1 300 1 1 看远时左眼镜片在第1秒钟变为300度近视镜
1 60 290 1 1 看远时左眼镜片在第60秒钟变为290度近视镜
2 1 100 2 2 看近时右眼镜片在第1秒钟变为100度远视镜
2 1 90 2 2 看近时右眼镜片在第60秒钟变为90度远视镜
本技术方案有3种操作模式：（1）电子时钟未启动（2）电子时钟启动但重力感应未启动（3）电子时钟和重力感应都启动。
电子时钟未启动时，重力感应按钮和距离模式人工选择按钮都无效，就是一款普通眼镜。
电子时钟启动但重力感应未启动时，操作方法为：（1）将镜片度数变化的数组数据输入数据存储器（2）CPU每秒读取一次数据存储器中的数据，根据距离模式人工选择按钮的选择，匹配数组数据。如当前为第1秒，距离模式人工选择按钮处于看远模式，则匹配变化时间第1秒的看远模式度数，并向变焦眼镜发送度数变化请求（3）变焦眼镜改变为数组数据中设定的度数。
电子时钟和重力感应均启动时，距离模式人工选择按钮无效，重力感应器将自动检测佩戴眼镜者的抬头和低头动作，并自动判断出当前是在看远还是看近。其他操作与未启动重力感应时相同。
一组度数变化数据使用一段时间后，需要根据佩戴者的视力情况，使用新的数组数据。当数组数据中的最大度数越来越小时，就说明治疗有了效果，佩戴者的视力提高了。
 Advantageous Effects
与传统的近视治疗仪相比，本技术方案可以使得佩戴者在日常生活中随时进行治疗，治疗效率大大提高。
与传统的近视治疗眼镜如双光和渐进多焦点眼镜相比，本技术方案中的整体镜片度数尽管在随时间变化，但在同一时刻都是同一个度数，可以解决人眼的适应性问题。更能够提高近视和远视患者的视力，而不是仅仅减缓近视发展。
与大卫·德·安吉利斯的治疗方法相比，本技术方案可以根据不同人的人眼适应能力，精确调整镜片度数的变化。眼球适应能力强的人，可以加快镜片度数度按时间变化的速度。眼球适应能力弱的人，可以减慢镜片度数按时间变化的速度，从而大幅度提高屈光不正的治疗效率。而且由于使用了重力感应器，还可以减轻看近处时的眼球负担，进一步提高治疗效率。
 Description of Drawings
附图1是本发明的操作方法流程图
附图2是对美国7980690号专利的结构修改示意图
 Best Mode
模块（1）、（2）、（3）、（4）、（5）的功能可以使用可编程可存储的单片机和重力感应芯片组成的集成电路来实现。而模块（6）的实现方法则与具体的变焦眼镜技术相关。这里给出建立在美国7980690号专利基础上的一种实施方式。该专利描述了一款建立在3305294号专利基础上的变焦眼镜，附图2为该专利的结构示意图的一部分，该专利描述了通过人工旋转旋钮23R，经过机械传动结构，将旋钮的角度转动转化为透镜的轴向平移，从而实现镜片度数的变化。将7980690号专利的部分结构改进后，可以成为本发明的模块（6）。
为了让模块（6）能够自动并精确调节镜片的度数，可以采用附图2中的微型步进电机（step motor）代替旋钮23R。步进电机可以将电脉冲信号转变为精确的角位移，每一个电脉冲信号可以让电机的转轴旋转一个固定的角度，这样就可以用CPU发出的电信号指令控制步进电机旋转一个特定的角度。经过机械传动之后，步进电机的角度旋转可以转化为透镜的精确平移。根据3305294号专利的描述，透镜的轴向平移和度数的变化有线性关系。我们可以计算出变化1个单位的度数，对应的透镜需要进行多长的轴向平移，然后换算为步进电机需要旋转的角度，最终计算出1个单位的度数变化需要多少个电脉冲来驱动步进电机。然后可以在单片机的程序中增加相应的操作控制代码，就可以实现模块（6）的功能了。
 Mode for Invention
该发明还可以利用其他任何变焦眼镜专利技术实现，例如美国像素光学公司拥有的美国7475985号专利，该专利描述了一款变焦眼镜，这种眼镜的镜片被填充了液晶材料，用电压的变化可以控制液晶材料的排列，从而实现镜片度数的变化。由于电压的变化与镜片的度数变化有线性关系，因此可以通过电信号精确控制度数变化。其他的变焦眼镜专利技术不再举例说明。
 Industrial Applicability
模块（1）、（2）、（3）、（4）、（5）的功能可以用单片机和重力感应芯片组成的集成电路实现。随着荷兰聚焦视力基金会和美国像素光学公司的具体产品被开发出来，模块（6）的变焦眼镜功能，也完全具备工业实用性。目前世界上最小的微型步进电机，直径只有2厘米，完全可以在眼镜上使用。综上所述，本发明具备工业实用性。

Claims (3)

  1. 一种能够治疗屈光不正的眼镜，其特征是由6个部分组成（1）中央处理器（CPU）（2）电子时钟（3）镜片度数变化的数组数据存储器（4）智能手机中常用的重力感应器（5）电子时钟启动和停止按钮、重力感应启动和停止按钮、距离模式人工选择按钮（6）度数可以精确变化的眼镜（即变焦眼镜） 。
  2. 一种使用可变度数的眼镜进行屈光不正治疗的操作方法，其特征包括2种操作模式和度数变化的数组数据格式：
    第1种操作模式是电子时钟启动但重力感应未启动时，操作方法为：（1）将镜片度数变化的数组数据输入数据存储器（2）CPU每秒读取一次数据存储器中的数据，同时读取距离模式人工选择按钮的选择，匹配数组数据。如当前为第1秒，距离模式人工选择按钮为看远模式，则匹配变化时间第1秒的看远模式度数，并向变焦眼镜发送度数变化请求（3）变焦眼镜改变为数组数据中设定的度数。
    第2种操作模式是电子时钟和重力感应均启动时，操作方法与第1种操作模式大致相同，唯一的不同是距离模式人工选择按钮无效，重力感应器将自动检测佩戴眼镜者的抬头和低头动作，自动判断出当前是在看远模式还是看近模式。
    镜片度数变化的数组数据格式为：（a，b，c，d，e）。a代表左眼还是右眼，b代表时间，以秒为单位，c代表镜片度数，d代表是近视镜片还是远视镜片，e代表是看远模式还是看近。
  3. 一种精确控制镜片度数变化的方法，其特征是将7980690号专利中的度数变化控制旋钮23R替换为步进电机（step motor），见附图2。
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