Noun, Suru verb
1. loss of eyesight; loss of vision; going blind; blindness
Wikipedia definition
2. BlindnessBlindness is the condition of lacking visual perception due to physiological or neurological factors. Various scales have been developed to describe the extent of vision loss and define blindness. Total blindness is the complete lack of form and visual light perception and is clinically recorded as NLP, an abbreviation for "no light perception. " Blindness is frequently used to describe severe visual impairment with residual vision.
Read “Blindness” on English Wikipedia
Read “失明” on Japanese Wikipedia
Read “Blindness” on DBpedia


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