FR1388995A - Variable tint lens depending on viewing distance - Google Patents
Variable tint lens depending on viewing distanceInfo
- Publication number
- FR1388995A FR1388995A FR959299A FR959299A FR1388995A FR 1388995 A FR1388995 A FR 1388995A FR 959299 A FR959299 A FR 959299A FR 959299 A FR959299 A FR 959299A FR 1388995 A FR1388995 A FR 1388995A
- Authority
- FR
- France
- Prior art keywords
- viewing distance
- lens depending
- variable tint
- tint lens
- variable
- 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
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
- G02C7/04—Contact lenses for the eyes
- G02C7/046—Contact lenses having an iris pattern
-
- 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
- G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
-
- 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
- G02C7/04—Contact lenses for the eyes
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR959299A FR1388995A (en) | 1964-01-03 | 1964-01-03 | Variable tint lens depending on viewing distance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR959299A FR1388995A (en) | 1964-01-03 | 1964-01-03 | Variable tint lens depending on viewing distance |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1388995A true FR1388995A (en) | 1965-02-12 |
Family
ID=8820232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR959299A Expired FR1388995A (en) | 1964-01-03 | 1964-01-03 | Variable tint lens depending on viewing distance |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1388995A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2089756B1 (en) * | 2006-11-17 | 2016-03-16 | Essilor International (Compagnie Générale D'Optique) | Coloured ophthalmic lenses for people with dyslexia |
EP2089757B1 (en) * | 2006-11-17 | 2016-03-16 | Essilor International (Compagnie Générale D'Optique) | Multi-tint ophthalmic lenses for night vision |
-
1964
- 1964-01-03 FR FR959299A patent/FR1388995A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2089756B1 (en) * | 2006-11-17 | 2016-03-16 | Essilor International (Compagnie Générale D'Optique) | Coloured ophthalmic lenses for people with dyslexia |
EP2089757B1 (en) * | 2006-11-17 | 2016-03-16 | Essilor International (Compagnie Générale D'Optique) | Multi-tint ophthalmic lenses for night vision |
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