What is Blindness Visual Impairment
Blindness is the condition of lacking visual perception due to physiological or psychological factors. Various scales have been developed to describe the extent of vision loss and ...
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Blindness is the condition of lacking visual perception due to physiological or psychological factors. Various scales have been developed to describe the extent of vision loss and ...

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Does anyone no about this disease
Posted on 10/06/09, 12:10 am |
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