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Smart glass, also known as switchable glass, dynamic glass, and smart-tinting glass, is a type of glass that can change its optical properties, becoming opaque or tinted, in response to electrical or thermal signals.
[1] [2] [3] Alternatively, smartglasses are sometimes defined as glasses that are able to change their optical properties, such as smart sunglasses that are programmed to change tint by electronic means. [4] Alternatively, smartglasses are sometimes defined as glasses that include headphone functionality.
Variable tint or photochromic lenses increase their optical density when exposed to UV light, reverting to their clear state when the UV brightness decreases. Car windscreens filter out UV light, [ 53 ] [ 54 ] slowing and limiting the reaction of the lenses and making them unsuitable for driving as they could become too dark or too light for ...
A number of sunglass manufacturers and suppliers including INVU, BIkershades, Tifosi, Intercast, Oakley, ZEISS, Serengeti Eyewear, and Persol provide tinted lenses that use photochromism to go from a dark to a darker state. They are typically used for outdoor sunglasses rather than as general-purpose lenses.
If you see Randy Moss wearing sunglasses on ESPN's "Sunday NFL Countdown," there's a reason for the choice. The Hall of Fame wide receiver-turned-analyst opened Sunday's show to explain that he ...
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.