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.
The Wedjat, later called The Eye of Horus An Eye of Horus or Wedjat pendant The Eye of Horus is an ancient Egyptian symbol of protection, royal power and good health. The eye is personified in the goddess Wadjet (also written as Wedjat, or Udjat , Uadjet, Wedjoyet, Edjo or Uto). The Eye of Horus is similar to the Eye of Ra, which belongs to a different god, Ra, but represents many of the same concepts. The name Wadjet is derived from wadj meaning green, hence the green one, and was known to the Greeks and Romans as uraeus from the Egyptian iaret meaning risen one from the image of a cobra rising up in protection.