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Serengeti Eyewear is a sunglasses line owned by Bollé Brands. Their main focus is eye protection ; the company researches and develops technology such as photochromic lenses , polarized lenses , spectral control , among others.
Bollé Brands is an eyewear and head protection group that designs, markets and distributes sunglasses, safety glasses, goggles and ski and bicycle helmets. The group owns the brands Bollé, Bollé Safety , Cébé, H2Optix, Spy Optic and Serengeti and is headquartered in Lyon , France .
Serengeti Energy Limited, formerly called responsAbility Renewable Energy Holding (rAREH), is an independent power producer (IPP) company Headquartered in Nairobi, Kenya, with investments in sub-Saharan Africa. Serengeti Energy specializes in renewable energy sources (primarily hydro and solar and now scaling into wind technologies) of between ...
A photochromic eyeglass lens, part of the lens darkened after exposure to sunlight while the other part remained covered. A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation.
Standard sunglasses are unable to filter out eye-damaging radiation. Solar viewers can be used for safe viewing of solar events such as eclipses . The recommended optical density of this eyewear is 5, meaning that the solar viewing filter only permits 1 part in 100,000 of incident light to pass through.
Wearing sunglasses under direct sunlight: Large lenses offer good protection, but broad temple arms are also needed against "stray light" from the sides. Sunglasses or sun glasses (informally called shades or sunnies ; more names below ) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light ...