KR101036458B1 - 안경의 렌즈 - Google Patents
안경의 렌즈 Download PDFInfo
- Publication number
- KR101036458B1 KR101036458B1 KR1020090029418A KR20090029418A KR101036458B1 KR 101036458 B1 KR101036458 B1 KR 101036458B1 KR 1020090029418 A KR1020090029418 A KR 1020090029418A KR 20090029418 A KR20090029418 A KR 20090029418A KR 101036458 B1 KR101036458 B1 KR 101036458B1
- Authority
- KR
- South Korea
- Prior art keywords
- prism
- lens
- base
- area
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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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
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
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- 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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Eyeglasses (AREA)
Abstract
Description
Claims (5)
- 좌측렌즈(10)와 우측렌즈(20)를 포함하는 안경에 있어서,상기 좌측렌즈(10)와 상기 우측렌즈(20)는 서로 대칭되게 형성되고;상기 좌측렌즈(10) 및 상기 우측렌즈(20) 각각은 도수가 부여되는 제 1프리즘(40)과 제 2프리즘(50)으로 이루어지며;상기 제 1프리즘(40)과 상기 제 2프리즘(50)은 복합적인 프리즘의 굴절을 통해 초점을 맞춤에 따라 폭주를 줄이기 위해 각각 베이스아웃(BO)영역(32)의 두께, 베이스인(BI)영역(34)의 두께, 베이스업(BU)영역(36)의 두께 및 베이스다운(BD)영역(38)의 두께를 달리한 채 교차하여 일체로 성형하는 것을 특징으로 하는 안경의 렌즈.
- 제 1항에 있어서,상기 좌측렌즈 및 상기 우측렌즈는 상기 베이스인영역 방향과 상기 베이스다운영역 방향의 벡터합 방향으로 시선을 굴절시켜 자동 초점을 맞추게 형성되는 것을 특징으로 하는 안경의 렌즈.
- 제 1항 또는 제 2항에 있어서,상기 좌측렌즈의 프리즘크기(LTL)와 상기 우측렌즈의 프리즘크기(LTR)는, 비 노안의 안경 도수(Dc)와 수평프리즘(Ph) 및 수직프리즘(Pv)의 합성으로서,LTL,LTR = Dc + √(Ph2 + Pv2),[Dc = De+(d/4)이며, (De:원거리 교정도수, d:주시거리(m))Ph = 0.2 * (PD/d)이고, (PD:동공간 거리(cm))Pv = 0.85(PD)]인 것을 특징으로 하는 안경의 렌즈.
- 제 3항에 있어서,상기 좌측렌즈의 프리즘방향(Lβ)은,Lβ = BI + β,[BI(Base In): 좌측렌즈의 기준점(코를 향하는 가장자리 중앙)+ : 시계방향β = tan-1(Ph/Pv)]인 것을 특징으로 하는 안경의 렌즈.
- 제 3항에 있어서,상기 우측렌즈의 프리즘방향(Rβ)은,Rβ = BI - β,[BI(Base In): 우측렌즈의 기준점(코를 향하는 가장자리 중앙)- : 반시계방향β = tan-1(Ph/Pv)]인 것을 특징으로 하는 안경의 렌즈.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090029418A KR101036458B1 (ko) | 2009-04-06 | 2009-04-06 | 안경의 렌즈 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090029418A KR101036458B1 (ko) | 2009-04-06 | 2009-04-06 | 안경의 렌즈 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100111048A KR20100111048A (ko) | 2010-10-14 |
KR101036458B1 true KR101036458B1 (ko) | 2011-05-25 |
Family
ID=43131426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090029418A Expired - Fee Related KR101036458B1 (ko) | 2009-04-06 | 2009-04-06 | 안경의 렌즈 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101036458B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2498345A (en) * | 2012-01-10 | 2013-07-17 | Geraint William Griffiths | A spectacle lens with a prism for relieving myopia |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4781452A (en) * | 1984-11-07 | 1988-11-01 | Ace Ronald S | Modular optical manufacturing system |
JPH05303063A (ja) * | 1991-04-02 | 1993-11-16 | Toshinobu Shirai | 遠近両用眼鏡レンズ |
US5644374A (en) * | 1992-02-03 | 1997-07-01 | Seiko Epson Corporation | Variable focus type eyesight correcting apparatus |
JP2000231084A (ja) * | 1998-12-09 | 2000-08-22 | Asahi Optical Co Ltd | 可変屈折力眼鏡 |
-
2009
- 2009-04-06 KR KR1020090029418A patent/KR101036458B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4781452A (en) * | 1984-11-07 | 1988-11-01 | Ace Ronald S | Modular optical manufacturing system |
JPH05303063A (ja) * | 1991-04-02 | 1993-11-16 | Toshinobu Shirai | 遠近両用眼鏡レンズ |
US5644374A (en) * | 1992-02-03 | 1997-07-01 | Seiko Epson Corporation | Variable focus type eyesight correcting apparatus |
JP2000231084A (ja) * | 1998-12-09 | 2000-08-22 | Asahi Optical Co Ltd | 可変屈折力眼鏡 |
Also Published As
Publication number | Publication date |
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KR20100111048A (ko) | 2010-10-14 |
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