视网膜色素变性较常见,无色素型视网膜色素变性实属少见,现遇1例,报告如下。 患者,扬某某,男,17岁。自幼视力渐进性下降,夜间明显,出理夜盲。近两年自觉夜盲明显加重,行走困难,未进行任何治疗。1993年3月18日来我科诊治,家系中父母非近亲结婚。兄弟2人,兄无此病,外祖母患此病。检查全身情况及辅助检查均为正常。眼部检查,右眼视力0.1,左眼视力0.08,不能矫正。双视野呈向心性缩小30°,眼位正常,运动良好,双眼轻度水平震颤,外眼及前节均正常,眼底双视盘边界清,色腊黄,视网膜动、静脉血管明显变细, Retinitis pigmentosa is more common, non-pigmented retinitis pigmentosa is rare, in 1 case, the report is as follows. Patients, Yang Moumou, male, 17 years old. Gradual decline in visual acuity since childhood, obviously at night, the night blindness. Night blindness consciously increased in the past two years, walking difficulties, without any treatment. March 18, 1993 came to our department for treatment, parents of non-relatives get married. 2 brothers, brother without this disease, grandmother suffering from the disease. Check the general condition and auxiliary tests are normal. Eye examination, right eye vision 0.1, left eye vision 0.08, can not be corrected. Double vision was concentric reduction of 30 °, normal eye position, good motion, mild tremor in both eyes, both eyes and anterior segment were normal, fundus double clear disk boundary clear, yellow wax, retinal artery and vein vessels significantly thinner,