例1,男性,43岁,1997年8月无明显诱因出现“肛周皮疹”,外院诊断为“尖锐湿疣”,经激光治疗后消失。同年9月开始右眼视物不清伴视物变形及中央暗点,有时觉眼前黑影飘动,曾诊断为“中心性视网膜脉络膜病变”,相继左眼亦出现类似症状,经治疗症状减轻。1998年1月行眼底造影示“双侧 Example 1, male, 43 years old, there was no obvious incentive in August 1997 “perianal rash”, the outer hospital diagnosed as “genital warts”, disappeared after laser treatment. In the same year in September the beginning of the right eye with unclear visual acuity with distortion and dark spots, and sometimes feel eyes fluttering, had been diagnosed as “central retinal chorioretinopathy”, the left eye has also appeared similar symptoms, the treatment of symptoms reduced. January 1998 line fundus angiography "bilateral