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2. Color blind glasses - Wikipedia

   en.wikipedia.org/wiki/Color_blind_glasses

   Color blindness (color vision deficiency) is the decreased ability to see color or differences in color. It can impair daily color tasks such as selecting ripe fruit or choosing clothing, as well as safety-related tasks such as interpreting traffic lights. While the disability of color blindness is considered minor, the use of color in safety ...

3. List of herbs with known adverse effects - Wikipedia

   en.wikipedia.org/wiki/List_of_herbs_with_known...

   creosote bush, gobernadora, larreastat [4] Larrea tridentata, Larrea divaricata [4] Liver damage, [3] [4] [5] kidney problems, [4] Hypotension in cancer patients [3] Chinese herbal mixtures. Heavy metal poisoning [5] Coltsfoot. coughwort, farfarae folium leaf, foalswort [4] Tussilago farfara.

4. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

5. The dangers of LED face masks you should know about - AOL

   www.aol.com/lifestyle/dangers-led-face-masks...

   Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...

6. Versace working on a phone for some reason - Engadget

   www.engadget.com/2010-01-19-versace-working-on-a...

   Created in close partnership with matriarch Donatella Versace, it turns out that the company behind the project is the very same that brought both TAG Heuer's and Christian Dior's phones to market ...

7. Optical coating - Wikipedia

   en.wikipedia.org/wiki/Optical_coating

   Optical coating. An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics. One type of optical coating is an anti-reflective coating, which ...