
impairment of vision such that there is significant visual handicap but also significant usable residual vision; such impairment may involve visual acuity, visual fields, or ocular motility.
Found on
http://www.encyclo.co.uk/local/21001

Term usually used to indicate vision of less than 20/200
Found on
http://www.eyeglossary.net/

Low vision: A visual impairment, not corrected by standard glasses, contact lenses, medicine, or surgery, that interferes with the ability to perform everyday activities. Most people develop low vision because of eye diseases such as cataracts, glaucoma, diabetic retinopathy or age-related macular degeneration (AME). Low vision primarily affects pe...
Found on
http://www.medterms.com/script/main/art.asp?articlekey=31981
No exact match found.