CA2278428C - Lentille de contact portant des marques optiques - Google Patents
Lentille de contact portant des marques optiques Download PDFInfo
- Publication number
- CA2278428C CA2278428C CA 2278428 CA2278428A CA2278428C CA 2278428 C CA2278428 C CA 2278428C CA 2278428 CA2278428 CA 2278428 CA 2278428 A CA2278428 A CA 2278428A CA 2278428 C CA2278428 C CA 2278428C
- Authority
- CA
- Canada
- Prior art keywords
- contact lens
- optical marking
- marking element
- microlens optical
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 67
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000007794 irritation Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 210000000744 eyelid Anatomy 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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
- G02C7/048—Means for stabilising the orientation of lenses in the eye
-
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2278428 CA2278428C (fr) | 1999-07-23 | 1999-07-23 | Lentille de contact portant des marques optiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2278428 CA2278428C (fr) | 1999-07-23 | 1999-07-23 | Lentille de contact portant des marques optiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2278428A1 CA2278428A1 (fr) | 2001-01-23 |
| CA2278428C true CA2278428C (fr) | 2009-09-01 |
Family
ID=4163822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2278428 Expired - Lifetime CA2278428C (fr) | 1999-07-23 | 1999-07-23 | Lentille de contact portant des marques optiques |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2278428C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2638834A (en) * | 2024-02-29 | 2025-09-03 | Coopervision Int Ltd | Contact lenses with inversion marks |
-
1999
- 1999-07-23 CA CA 2278428 patent/CA2278428C/fr not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2638834A (en) * | 2024-02-29 | 2025-09-03 | Coopervision Int Ltd | Contact lenses with inversion marks |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2278428A1 (fr) | 2001-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |