患者男，５９岁，因左眼视力突然下降１２天，于１９９７年６月１３日第１次入院，１２天前患者左眼在早晨、下午分别出现一过性黑目蒙，约２０分钟后视力自行恢复正常。次日早晨发现左眼视力严重下降，未再恢复。未做过任何治疗，既往有高血压病史１５年，冠心病史３年，... Male, 59 years old, with a sudden drop in visual acuity of 12 days on the left eye, was admitted to hospital for the first time on June 13, 1997. Twelve days earlier, the patient’s left eye appeared as a monstrous blind in the morning and afternoon, respectively. After about 20 minutes Eyes returned to normal on their own. The next morning found a serious decline in left eye vision, no longer restored. Have not done any treatment, past history of hypertension 15 years, history of coronary heart disease 3 years, ...