Isaeff W B, Niswonger J
Ann Ophthalmol. 1981 Oct;13(10):1131-2.
At the California School for the Deaf, Riverside, 336 deaf students were surveyed for coexistence of retinitis pigmentosa. Five of the 336 were felt to have Usher's syndrome. The most common cause of deafness was maternal rubella. Electroretinograms of the rubella group were normal.
在位于河滨市的加利福尼亚聋人学校,对336名失聪学生进行了色素性视网膜炎共存情况的调查。336名学生中有5名被认为患有乌舍尔综合征。失聪最常见的原因是母亲感染风疹。风疹组的视网膜电图正常。