![]() ![]() People who lose sight later on in life, the Late Blind (LB) or adventitiously blind, retain the influence of visual experience and are likely to retain memory of visual imagery. However, they may have an advantage conveyed by their education in mobility skills. For example, if people are Congenitally Blind (CB), that is, born without sight or lose it soon after birth, they will not benefit from visual experience or visual imagery. ![]() The age of onset of blindness has implications for how well people use their sense of touch. Unfortunately, this is not the case for all eye disorders, and some individuals have to contend with blindness. Diseases that inevitably led to blindness in the past, for example, wet AMD, are now treatable. It is fortunate, however, that new very successful treatments now exist for cataracts. A number of eye diseases increase in frequency with aging, notably cataracts, glaucoma and Age related Macular Degeneration (AMD). ![]() However, if we are fortunate to live long enough, we are likely to suffer some degree of visual impairment, including, perhaps, blindness. 6 Passive Tactile Perception in Blindness.2 Pictures and Pattern Perception by Blind People. ![]()
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