BE571083A - - Google Patents
Info
- Publication number
- BE571083A BE571083A BE571083DA BE571083A BE 571083 A BE571083 A BE 571083A BE 571083D A BE571083D A BE 571083DA BE 571083 A BE571083 A BE 571083A
- Authority
- BE
- Belgium
- Prior art keywords
- disc
- windows
- opaque
- discs
- glasses
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 16
- 239000003086 colorant Substances 0.000 description 10
- 230000004438 eyesight Effects 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
-
- 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
- G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C9/00—Attaching auxiliary optical parts
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE571083A true BE571083A (enrdf_load_stackoverflow) |
Family
ID=189408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE571083D BE571083A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE571083A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000072083A1 (en) * | 1999-05-06 | 2000-11-30 | Stregova Erzsebet | Eye-conditioning and eyesight-improving device |
-
0
- BE BE571083D patent/BE571083A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000072083A1 (en) * | 1999-05-06 | 2000-11-30 | Stregova Erzsebet | Eye-conditioning and eyesight-improving device |
| US6592221B1 (en) | 1999-05-06 | 2003-07-15 | Stregova Erzsebet | Eye-conditioning and eyesight-improving device |
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