Blindness

This article or section does not cite its references or sources. You can help Wikipedia by introducing appropriate citations. This article is about the visual condition. For the novel, see Blindness (novel). 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 define "blindness"[1]. Total blindness is the complete lack of form and light perception and is clinicall ...