There are three classification systems for individuals with visual impairment that are used by education professionals. To be declared legally blind, an individual must have visual acuity of 20/200 or less, or have a field of vision restricted to 20 degrees or less at the widest point. However, this federal classification system is used primarily to determine eligibility for adult agency services.
have an eye for something. to be good at noticing a particular type of thing She has an eye for detail. He had an eye for the unusual and the exotic which made him a very good shopping companion. See also: an, eye, for, have.
[count] â used to describe where someone is looking. 1  Her eye was attracted to the bright colors in the painting. 2  She dropped her eyes [=she looked down] when he looked at her. 3  He averted his eyes [=he looked away] when she approached him.  I saw something moving out of the corner of my eye.