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Polarizing sheets are used in liquid-crystal displays, optical microscopes and sunglasses.Since Polaroid sheet is dichroic, it will absorb impinging light of one plane of polarization, so sunglasses will reduce the partially polarized light reflected from level surfaces such as windows and sheets of water, for example.
Laser blended vision is a laser eye treatment which is used to treat presbyopia (ageing eyes; [1] progressive loss of the ability to focus on nearby objects) or other age-related eye conditions. [1] It can be used to help people that simply need reading glasses, and also those who have started to need bifocal or varifocal spectacle correction ...
[5] [12] Having to apply eye drops every 30 minutes would be nearly impossible for anyone and is not the ideal mechanism by which to deliver such drugs to the eye. Researchers have gathered data to support the idea that silicon-based contact lenses with ciprofloxacin could release the drug in the therapeutic window for approximately one month ...
One market niche Polaroid promoted was the field of industrial testing, where the camera would record, for example, the destruction of a pipe under pressure. This type of use was moderately price-insensitive, with the ability to get the images quickly (thus reducing wasted crew time) a very positive selling feature.
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[2] [3] The physical origins of eye lens transparency and its relationship to cataract are an active area of research. [4] Since it has been shown that lens injury may promote nerve regeneration, [5] crystallin has been an area of neural research. So far, it has been demonstrated that crystallin β b2 (crybb2) may be a neurite-promoting factor. [6]
Polaroid marketers incorrectly guessed that the camera and film would remain in stock long enough to manufacture a second run based on customer demand. All fifty-seven cameras and all of the film were sold on the first day of demonstrations. During his time at Polaroid, Land was notorious for his marathon research sessions.
Polaroid Eyewear manufactures polarized sunglasses and polarized lenses, as well as optical frames, reading glasses, and clip-on lenses. Polaroid Eyewear was a part of the StyleMark group and sold to the Safilo Group in November 2011.