张某，男，28岁，农民。一年前开始左眼进行性凸出伴疼痛和视力下降，1981年9月6日入院待诊。患者曾于1984年因右眼外伤在某医院行“白内障”手术。1985年曾去新疆哈密居住，有狗、羊接触史。1986年8月返回涪陵后开始感左眼不适，当时未引起注意。体检：心肺正常，肝、牌无肿大。眼部检查：视力右0.06（白内障针吸术后），左眼 Zhang, male, 28 years old, farmer. A year ago, the left eye with progressive prolapse with pain and vision loss, admitted on September 6, 1981 pending treatment. The patient underwent “cataract” surgery in a hospital in 1984 because of a right eye injury. 1985 Had to live in Hami, Xinjiang, dogs, sheep exposure history. After returning to Fuling in August 1986, he began to feel the left eye discomfort, but did not pay attention. Physical examination: normal cardiopulmonary, liver, no swelling of the card. Eye examination: right eye 0.06 (after cataract surgery), left eye