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Definition of Legal blindness
1. Noun. Vision that is 20/200 or worse in both eyes (20/200 vision is the ability to see at 20 feet what a normal eye can see at 200 feet).
Definition of Legal blindness
1. Noun. A degree of visual acuity that is low enough to determine that a person needs special assistance. ¹
¹ Source: wiktionary.com
Medical Definition of Legal blindness
1. Generally, visual acuity of less than 6/60 or 20/200 using Snellen test types, or visual field restriction to 20° or less in the better eye; the criteria used to define legal blindness vary among different groups. (05 Mar 2000)