Are partially sighted people considered blind?
If a person’s best corrected visual acuity is 20/200 or less, or if their visual field is no more than 20 degrees, the person is defined as legally blind. The absence of any usable vision is called functional blindness or total blindness. Only about 1 in 10 people who are visually impaired are functionally blind. The majority of legally blind people have usable vision and are partially sighted.
