先证者,杜××,男,15岁。5岁时视力开始减退,近年来因视力丧失已不能行走。检查视力,双眼仅有光感。于1981年9月9日在局麻下行双眼白内障线状摘除术,9天后痊愈出院。出院时双眼视力均为0.06,矫正视力右0.8,左0.6。家系调查患者的祖父、祖伯父、父亲、姑母和两弟,3代中有7人患有类似疾病,其中4人经过手术后视力均有不同程度的提高。 Proof, Du × ×, male, 15 years old. Visual acuity begins to diminish at 5 years of age and has not been able to walk for vision loss in recent years. Check eyesight, eyes only light feeling. On September 9, 1981 under local anesthesia binocular cataract linear extirpation, 9 days after discharge was cured. Discharge binocular vision were 0.06, right vision correction 0.8, left 0.6. The pedigree surveyed the patients’ grandfather, uncle, father, aunt and two brothers. Of the 3 generations, 7 had similar diseases, and 4 of them had different degrees of visual acuity after surgery.