FR2418478B2 - - Google Patents
Info
- Publication number
- FR2418478B2 FR2418478B2 FR7805521A FR7805521A FR2418478B2 FR 2418478 B2 FR2418478 B2 FR 2418478B2 FR 7805521 A FR7805521 A FR 7805521A FR 7805521 A FR7805521 A FR 7805521A FR 2418478 B2 FR2418478 B2 FR 2418478B2
- Authority
- FR
- France
- 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
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
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7805521A FR2418478A2 (fr) | 1978-02-27 | 1978-02-27 | Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire |
| GB17382/78A GB1603751A (en) | 1977-05-06 | 1978-05-03 | Selective optical filter |
| DE7813480U DE7813480U1 (de) | 1977-05-06 | 1978-05-03 | Zonenfilter zum schutz und zur verbesserung der sehkraft |
| US05/903,483 US4229082A (en) | 1977-05-06 | 1978-05-08 | Selective optical filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7805521A FR2418478A2 (fr) | 1978-02-27 | 1978-02-27 | Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2418478A2 FR2418478A2 (fr) | 1979-09-21 |
| FR2418478B2 true FR2418478B2 (fr) | 1983-07-18 |
Family
ID=9205089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7805521A Granted FR2418478A2 (fr) | 1977-05-06 | 1978-02-27 | Dispositif de filtre optique selectif pour la protection et l'amelioration de la vision oculaire |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2418478A2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548222B (zh) * | 2006-11-17 | 2011-12-28 | 埃西勒国际通用光学公司 | 多色调彩色近视眼镜片 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2908897B1 (fr) * | 2006-11-17 | 2009-03-06 | Essilor Int | Lentilles ophtalmiques colorees multi-teintes. |
| FR2916864B1 (fr) | 2007-05-31 | 2010-01-08 | Essilor Int | Verre ophtalmique progressif de correction de myopie et procede de realisation d'un tel verre |
-
1978
- 1978-02-27 FR FR7805521A patent/FR2418478A2/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548222B (zh) * | 2006-11-17 | 2011-12-28 | 埃西勒国际通用光学公司 | 多色调彩色近视眼镜片 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2418478A2 (fr) | 1979-09-21 |