Blindness
Scope Note:
Having no sight or such limited vision that hearing and touch are the chief means of perception and learning -- legal blindness is usually defined as having central visual acuity of 20/200 or less in the better eye with correction or having a visual field no greater than 20 degrees
Category: Disabilities
Broader Terms Visual ImpairmentsNarrower Terms N/AUse this term instead of Blind (1966 1980)Blind Children (1966 1980) | Related Terms BrailleDeaf Blind Partial Vision Tactile Adaptation Vision Visual Acuity |
Added to ERIC: 3/5/1980
