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Mirrored sunglasses. A person wearing mirrored sunglasses. Mirrored sunglasses are sunglasses with a reflective optical coating (called a mirror coating or flash coating) on the outside of the lenses to make them appear like small mirrors. The lenses typically give the wearer's vision a brown or grey tint.
The firm had added the rose-colored feature to its glasses in 1939 under the brand name "Anti-Pix." This variety of eyeglasses was more complicated than others because the red lenses were fixed to a hinge at the top of the frame. As the hen lowered its head to feed, the lens swung out, giving it an unobstructed view of the ground.
Color blind glasses or color correcting lenses are light filters, usually in the form of glasses or contact lenses, that attempt to alleviate color blindness, by bringing deficient color vision closer to normal color vision or to make certain color tasks easier to accomplish. Despite its viral status, the academic literature is generally ...
Zenni Optical (formerly 19dollareyeglasses.com) is an American online retailer of prescription glasses and sunglasses. Founded in 2003 by Tibor Laczay and Julia Zhen, it is based in Novato, California. The company sells more than 2,000 types of prescription glasses and sunglasses as well as 45 types of contact lenses.
Ballistic eyewear. Ballistic eyewear is a form of glasses or goggles that protect from small projectiles and fragments. For the U.S. military, choices are listed on the Authorized Protective Eyewear List (APEL). [1] Ballistic eyewear including examples that meet APEL requirements are commercially available for anyone who wishes to buy it.
Adaptation (eye) In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions. In humans, rod cells are exclusively responsible for night vision as cone cells are only able to function at higher ...
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