How blindness affects imaging?
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There are several psychological and physiological effects that cause blindness to some visual stimulus. ... Cortical blindness, a loss of vision caused by damage to the visual area in the brain. Flash blindness, a visual impairment following exposure to a light flash. They just see black. Being completely blind, with no light perception whatsoever, is extremely rare. Most blind people still get some visual input ranging anywhere from only being able to perceive very bright lights, to quite a lot of vision (the 20/200 threshold of legal blindness.
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- There are several psychological and physiological effects that cause blindness to some visual stimulus. ... Cortical blindness, a loss of vision caused by damage to the visual area in the brain. Flash blindness, a visual impairment following exposure to a light flash.
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