朱剑锋   陆丽娜   赵蓉

上海市眼病防治中心   200040

Objectives：To determine causes of visual impairment in patients at 7 Low Vision Service Centers in Shanghai，China within the year of 2007.

Method:This study evaluated 276 low vision patients who had received Low vision rehabilitation services in 7 Low Vision Services Centers in Shanghai within the year of 2007(47%female，53%male；average age，48.9 years).

Results:The main causes of visual impairment were pathological myopia(66.3%)，age-related macular degeneration(6.5%)，optic atrophy(4.7%)，after retinal detachment surgery(4.3%)，amblyopia(4.3%)，congenital cataracts(1.8%)，corneal diseases(1.8%)，glaucoma(1.4%)，diabetic retinopathy(1.4%)，and others(7.5%).

Conclusions:Pathological myopia is the leading cause of visual impairment in patients who had received Low vision rehabilitation in Shanghai，China.There is a significant difference between china and western country in the main cause of visual impairment in low vision rehabilitation services.