The Impact of Visual Aids on the Partial Sight

Supa Kongsangchai B.Sc.,
Skowrat Kunavisarut M.D.
Department of Ophthalmology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University

ABSTRACT The eighty partially sighted persons in low vision clinic, ophthalmology department, Ramathibodi Hospital, from April 1990 to May 1991, were analysed.

Forty-five were male and 35 were female with the age range of 4-82 years. The most common cause was diseases of the retina (42.5%) followed of optic nerve pathology (27.5%). Sixty two percent of patients had visual acuity between 5/200 – 15/200. Different types of visual aids were prescribed with preference on spectacles (36.25%), spectacales combined with hand held magnifier (26.25%) and spectacles combined with stand magnifier (13.75%) respectively. Eighty percent of them had near vision of 20/30 to 20/20 with these visual correction.