KR19990077991A - 누진다초점안경렌즈 - Google Patents
누진다초점안경렌즈 Download PDFInfo
- Publication number
- KR19990077991A KR19990077991A KR1019990009101A KR19990009101A KR19990077991A KR 19990077991 A KR19990077991 A KR 19990077991A KR 1019990009101 A KR1019990009101 A KR 1019990009101A KR 19990009101 A KR19990009101 A KR 19990009101A KR 19990077991 A KR19990077991 A KR 19990077991A
- Authority
- KR
- South Korea
- Prior art keywords
- surface astigmatism
- refractive power
- lens
- point
- astigmatism
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
- G02C7/063—Shape of the progressive surface
- G02C7/065—Properties on the principal line
-
- 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
Landscapes
- 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
Description
Claims (6)
- 원거리용 굴절력을 가지는 원거리부;근거리용 굴절력을 가지는 근거리부; 및원거리부와 근거리부 사이의 중간영역에서의 시계용의 누진 굴절력을 가지는 중간부;를 포함하고 있는 누진다초점 안경렌즈에 있어서,소정의 표면 비점수차는 주 메리디안 상에 제공되고, 이 표면 비점수차는 상기 근거리부에서 수평방향으로 주 메리디안으로부터의 거리가 증가함에 따라 감소한 후에 증가하는 것을 특징으로 하는 누진다초점 안경렌즈.
- 제 1 항에 있어서, 상기 표면 비점수차의 변화는, 직교좌표(단위:mm)가 원점으로써의 피팅포인트(O), 수평 X축 및 수직 Y축에 의하여 한정될 때, -30 < Y < -15의 범위 내의 적어도 한 점에서 조건 (1)을 만족시키고, 그리고 -30 < Y < -15 또한 3 < |X-Xm| < 10의 중첩범위 내의 적어도 한 점에서 조건 (2)를 만족시키며;(1) AS(Xm, Y) > 0.2, 및(2) AS(Xm, Y) - AS(X, Y) > 0.05,여기에서,AS(x, y)는 지점(x, y)에서의 표면 비점수차이고, 그리고Xm은 Xm = f(Y)에 의하여 한정되는 Y축으로부터의 주 메리디안의 변위량인 것을 특징으로 하는 누진다초점 안경렌즈.
- 제 2 항에 있어서, 조건 (2)는 -30 < Y < -15 또한 5 < |X-Xm| < 10의 중첩범위 내의 적어도 한 점에서 만족되는 것을 특징으로 하는 누진다초점 안경렌즈.
- 제 2 항에 있어서, 지점(x, y)에서의 X축에 대한 각도(단위:도)로써 한정되는 최대 곡률방향 θ(x, y)은 조건 (3) 및 (4)를 만족시키며;(3) -10°< θ(Xm, Y) < 10°, 및(4) 60°< |θ(Xm±10, Y)| < 90°,여기에서, 조건 (3) 및 (4)를 만족시키는 지점에서의 표면 비점수차는 0.2 보다 큰 것을 특징으로 하는 누진다초점 안경렌즈.
- 원거리용 굴절력을 가지는 원거리부;근거리용 굴절력을 가지는 근거리부; 및원거리부와 근거리부 사이의 중간영역에서의 시계용의 누진 굴절력을 가지는 중간부;를 포함하고 있는 누진다초점 안경렌즈에 있어서,소정의 표면 비점수차는 주 메리디안 상에 제공되고, 그리고 상기 근거리부 내의 상기 주 메리디안의 오른쪽 및 왼쪽에서 상기 주 메리디안에서의 표면 비점수차보다 낮은 표면 비점수차를 가지는 부위가 있는 것을 특징으로 하는 누진다초점 안경렌즈.
- 제 5 항에 있어서, 상기 근거리부에서의 최대 곡률방향은 단조로운 함수로써 수평방향을 따라서 변화하는 것을 특징으로 하는 누진다초점 안경렌즈.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06822398A JP3605281B2 (ja) | 1998-03-18 | 1998-03-18 | 累進多焦点レンズ |
| JP98-68223 | 1998-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990077991A true KR19990077991A (ko) | 1999-10-25 |
| KR100454604B1 KR100454604B1 (ko) | 2004-11-03 |
Family
ID=13367608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1999-0009101A Expired - Fee Related KR100454604B1 (ko) | 1998-03-18 | 1999-03-18 | 누진다초점 안경렌즈 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6354704B2 (ko) |
| JP (1) | JP3605281B2 (ko) |
| KR (1) | KR100454604B1 (ko) |
| DE (1) | DE19912200B4 (ko) |
| FR (1) | FR2776397B1 (ko) |
| GB (1) | GB2338081B (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4067277B2 (ja) * | 1999-04-13 | 2008-03-26 | Hoya株式会社 | 累進屈折力眼鏡レンズ及びその設計方法 |
| JP4164550B2 (ja) | 2001-10-12 | 2008-10-15 | セイコーオプティカルプロダクツ株式会社 | 累進屈折力眼鏡レンズ |
| KR20030060783A (ko) | 2002-01-07 | 2003-07-16 | 펜탁스 가부시키가이샤 | 누진굴절력 렌즈 |
| JP3882748B2 (ja) * | 2002-12-12 | 2007-02-21 | セイコーエプソン株式会社 | 累進屈折力レンズ |
| DE10349726A1 (de) | 2003-10-23 | 2005-06-09 | Rodenstock Gmbh | Bildschirmarbeitsplatzglas |
| JP4885445B2 (ja) * | 2004-12-21 | 2012-02-29 | 株式会社フジミインコーポレーテッド | 溶射用粉末 |
| WO2012115258A1 (en) * | 2011-02-23 | 2012-08-30 | Seiko Epson Corporation | Spectacle lens |
| EP3457195A1 (en) * | 2017-09-19 | 2019-03-20 | Hoya Lens Thailand Ltd. | Spectacle lenses and methods for producing the same |
| US12140821B2 (en) * | 2018-09-28 | 2024-11-12 | Hoya Lens Thailand Ltd. | Progressive addition lens and design method therefor |
| JP7368991B2 (ja) * | 2019-09-25 | 2023-10-25 | ホヤ レンズ タイランド リミテッド | 累進屈折力レンズの設計方法および累進屈折力レンズの設計システム |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5958415A (ja) | 1982-09-29 | 1984-04-04 | Seiko Epson Corp | 累進多焦点レンズ |
| SE453959B (sv) * | 1986-06-04 | 1988-03-21 | Gote Palsgard | Anordning for mojliggorande for i synnerhet handikappade personer utan talformaga och rorelseformaga i armarna att kommunicera med omgivningen |
| JP2756670B2 (ja) | 1987-11-30 | 1998-05-25 | 旭光学工業株式会社 | 累進多焦点眼鏡レンズ |
| JP2576054B2 (ja) | 1988-02-29 | 1997-01-29 | 株式会社ニコン | 累進多焦点レンズ |
| WO1991001508A1 (de) * | 1989-07-17 | 1991-02-07 | Optische Werke G. Rodenstock | Progressives brillenglas mit positiver fernteil-wirkung |
| US5327181A (en) | 1993-01-12 | 1994-07-05 | Gentex Optics, Inc. | Progressive lens for specialty and occupational use |
| JP3381306B2 (ja) * | 1993-05-31 | 2003-02-24 | 株式会社ニコン | 累進焦点レンズ |
| JP3495437B2 (ja) * | 1993-11-19 | 2004-02-09 | ペンタックス株式会社 | 累進多焦点レンズ |
| US5719657A (en) | 1993-11-19 | 1998-02-17 | Asahi Kogaku Kogyo Kabushiki Kaisha | Progressive power lens |
| JP3619264B2 (ja) | 1994-08-22 | 2005-02-09 | ペンタックス株式会社 | 累進多焦点レンズ、およびその成形型 |
| JP3196877B2 (ja) * | 1995-04-18 | 2001-08-06 | ホーヤ株式会社 | 累進多焦点レンズ |
| FR2733328B1 (fr) * | 1995-04-21 | 1997-06-13 | Essilor Int | Lentille ophtalmique multifocale progressive |
| JP3196880B2 (ja) * | 1995-09-22 | 2001-08-06 | ホーヤ株式会社 | 累進多焦点レンズ |
| JP4386966B2 (ja) | 1996-07-05 | 2009-12-16 | ローデンストック. ゲゼルシャフト. ミット. ベシュレンクテル. ハフツング | 累進レンズ |
-
1998
- 1998-03-18 JP JP06822398A patent/JP3605281B2/ja not_active Expired - Fee Related
-
1999
- 1999-03-18 GB GB9906289A patent/GB2338081B/en not_active Expired - Lifetime
- 1999-03-18 KR KR10-1999-0009101A patent/KR100454604B1/ko not_active Expired - Fee Related
- 1999-03-18 US US09/271,454 patent/US6354704B2/en not_active Expired - Lifetime
- 1999-03-18 FR FR9903378A patent/FR2776397B1/fr not_active Expired - Lifetime
- 1999-03-18 DE DE19912200.8A patent/DE19912200B4/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11264955A (ja) | 1999-09-28 |
| KR100454604B1 (ko) | 2004-11-03 |
| DE19912200B4 (de) | 2015-02-26 |
| FR2776397B1 (fr) | 2000-11-10 |
| US6354704B2 (en) | 2002-03-12 |
| GB9906289D0 (en) | 1999-05-12 |
| US20010030735A1 (en) | 2001-10-18 |
| GB2338081B (en) | 2002-06-19 |
| FR2776397A1 (fr) | 1999-09-24 |
| GB2338081A (en) | 1999-12-08 |
| JP3605281B2 (ja) | 2004-12-22 |
| DE19912200A1 (de) | 1999-09-23 |
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