Since its inception, the American Foundation for the Blind (AFB) has served as the leading source of information and research encompassing blindness and low vision in the United States. This information not only educates those experiencing blindness or difficulty seeing, but it also informs thought leaders, policymakers, and practitioners who work each day to expand opportunity and inclusion ... The meaning of BLIND is lacking or deficient in sight; specifically : having less than ⅒ of normal vision in the more efficient eye when refractive defects are fully corrected by lenses.

Understanding the Context

How to use blind in a sentence. Usage of Blind: Usage Guide WHO fact sheet on blindness and visual impairment providing key facts, definitions, causes, who is at risk, global and WHO response. If you’re completely blind, you can’t see anything at all, even light. It’s different from low or impaired vision, where you can often see shapes or light.

Key Insights

Blindness is the inability to distinguish darkness from bright light. Learn about types, treatment, prevention, and prognosis. Blindness, transient or permanent inability to see any light at all (total blindness) or to retain any useful vision despite attempts at vision enhancement (functional blindness). Less-severe levels of vision impairment have been categorized, ranging from near-normal vision to various degrees of Of, relating to, or for sightless persons. 2.

Final Thoughts

a. Performed or made without the benefit of background information that might prejudice the outcome or result: blind taste tests used in marketing studies. b. Performed without preparation, experience, or knowledge: a blind stab at answering the question.