BE557999A - - Google Patents
Info
- Publication number
- BE557999A BE557999A BE557999DA BE557999A BE 557999 A BE557999 A BE 557999A BE 557999D A BE557999D A BE 557999DA BE 557999 A BE557999 A BE 557999A
- Authority
- BE
- Belgium
- Prior art keywords
- glasses
- glass
- light absorption
- clear
- instrument according
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 63
- 230000031700 light absorption Effects 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 description 10
- 230000009102 absorption Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004040 coloring Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035807 sensation 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
- G02C7/10—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
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE557999A true BE557999A (enrdf_load_stackoverflow) |
Family
ID=181209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE557999D BE557999A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE557999A (enrdf_load_stackoverflow) |
-
0
- BE BE557999D patent/BE557999A/fr unknown
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