JPS5799613A - Progressive multifocus lens - Google Patents
Progressive multifocus lensInfo
- Publication number
- JPS5799613A JPS5799613A JP17560180A JP17560180A JPS5799613A JP S5799613 A JPS5799613 A JP S5799613A JP 17560180 A JP17560180 A JP 17560180A JP 17560180 A JP17560180 A JP 17560180A JP S5799613 A JPS5799613 A JP S5799613A
- Authority
- JP
- Japan
- Prior art keywords
- main meridian
- distance
- meridian circle
- long
- lens
- 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
Links
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
- G02C7/061—Spectacle lenses with progressively varying focal power
- G02C7/063—Shape of the progressive surface
-
- 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
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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17560180A JPS5799613A (en) | 1980-12-12 | 1980-12-12 | Progressive multifocus lens |
FR8122267A FR2495789B1 (fr) | 1980-12-05 | 1981-11-27 | Lentille multifocale progressive |
DE3147952A DE3147952C2 (de) | 1980-12-05 | 1981-12-03 | Mehrstärken-Brillenglas |
US06/327,288 US4580883A (en) | 1980-12-05 | 1981-12-03 | Progressive multifocal ophthalmic lenses |
GB8136441A GB2090426B (en) | 1980-12-05 | 1981-12-03 | Progressive power ophthalmic lenses |
SG531/86A SG53186G (en) | 1980-12-05 | 1986-06-12 | Ophthalmic lenses |
HK737/86A HK73786A (en) | 1980-12-05 | 1986-10-02 | Ophthalmic lenses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17560180A JPS5799613A (en) | 1980-12-12 | 1980-12-12 | Progressive multifocus lens |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8840682A Division JPS5824116A (ja) | 1982-05-25 | 1982-05-25 | 累進多焦点レンズ |
JP8840582A Division JPS5824115A (ja) | 1982-05-25 | 1982-05-25 | 累進多焦点レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5799613A true JPS5799613A (en) | 1982-06-21 |
JPS6338688B2 JPS6338688B2 (fr) | 1988-08-01 |
Family
ID=15998936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17560180A Granted JPS5799613A (en) | 1980-12-05 | 1980-12-12 | Progressive multifocus lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5799613A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5988718A (ja) * | 1982-11-12 | 1984-05-22 | Hoya Corp | 眼の輻輳を考慮した累進焦点眼鏡レンズ |
JPS59189314A (ja) * | 1983-04-12 | 1984-10-26 | Hoya Corp | 周縁部に負の表面屈折力を有する累進多焦点レンズ |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02173382A (ja) * | 1988-12-23 | 1990-07-04 | Matsushita Refrig Co Ltd | 冷媒ポンプ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS493595A (fr) * | 1972-04-21 | 1974-01-12 | ||
JPS5046348A (fr) * | 1973-08-16 | 1975-04-25 | ||
JPS5511285A (en) * | 1978-05-12 | 1980-01-26 | Essilor Int | Finishing lens refractive surface |
-
1980
- 1980-12-12 JP JP17560180A patent/JPS5799613A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS493595A (fr) * | 1972-04-21 | 1974-01-12 | ||
JPS5046348A (fr) * | 1973-08-16 | 1975-04-25 | ||
JPS5511285A (en) * | 1978-05-12 | 1980-01-26 | Essilor Int | Finishing lens refractive surface |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5988718A (ja) * | 1982-11-12 | 1984-05-22 | Hoya Corp | 眼の輻輳を考慮した累進焦点眼鏡レンズ |
JPS6247284B2 (fr) * | 1982-11-12 | 1987-10-07 | Hoya Corp | |
JPS59189314A (ja) * | 1983-04-12 | 1984-10-26 | Hoya Corp | 周縁部に負の表面屈折力を有する累進多焦点レンズ |
Also Published As
Publication number | Publication date |
---|---|
JPS6338688B2 (fr) | 1988-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1295504A (fr) | ||
JPS5632121A (en) | Spectacle lens | |
EP0578833A4 (en) | Variable focus visual power correction apparatus | |
JPS6472135A (en) | Transmission type screen | |
EP0332201A3 (fr) | Système de projection optique | |
GB1403675A (en) | Ophthalmic lenses with progressively varying 'ocal power | |
ES2165479T3 (es) | Lente oftalmica multifocal progresiva. | |
JPS57108818A (en) | Projection lens | |
US2763187A (en) | Wide vision mirror | |
FR2326718A2 (fr) | Lentille ophtalmique a puissance progressive | |
ATE58970T1 (de) | Mehrstaerken-brillenglass mit hohem positiven brechwert. | |
GB1229941A (fr) | ||
DE3882800D1 (de) | Progressives brillenglas. | |
US2303113A (en) | Reflector | |
JPS5799613A (en) | Progressive multifocus lens | |
JPS57177115A (en) | Projection lens device | |
EP0185069B1 (fr) | Lentille de diffusion de lumiere | |
DE3168578D1 (en) | Progressive multi-focal lenses | |
JPS5794714A (en) | Progressive multifocus lens | |
JPS57122412A (en) | Reverse telephoto type large aperture wide angle lens | |
JPS56140311A (en) | Wide-angle lens | |
US2923201A (en) | Ophthalmic lens | |
US1724727A (en) | Luminair | |
JPS6433513A (en) | Wide angle photographing lens | |
JPS57144514A (en) | Scan optical system having fall compensating function |