已过古稀之年的廖大爷,除了血压偏高一点外,身体一向不错,但几天前晨练时左眼视力突然丧失。不过,几分钟后,又恢复了正常,他就没当回事儿。以后几天,该症状又出现了,而且持续时间有所延长。女儿 Has passed the age of Liao uncle, in addition to high blood pressure a little bit, the body has always been good, but a few days ago morning exercise suddenly lost sight of the left eye. However, after a few minutes, and returned to normal, he did not seriously. The next few days, the symptoms have appeared, and the duration has been extended. daughter