一过性黑朦又称一过性单眼盲。本病为发作性一过性黑朦,视力减退,多数持续数秒或数分钟,有时持续一小时,常反复发作,多为单眼发病。一般视力能恢复原状。 1943年Andrell认为一过性黑朦是颈内动脉血栓的主要症状,有40～70%的病人能见到此症状。作者对一过性黑朦疑似颈内动脉血栓乃致狭 A transient darkness, also known as blindness. The disease is a transient transient amaurosis, vision loss, most continued for a few seconds or minutes, and sometimes lasted an hour, often repeated attacks, mostly monocular disease. General vision can restore the status quo. 1943 Andrell that transient amaurosis is the main symptom of carotid artery thrombosis, 40 to 70% of patients can see this symptom. The author of a transient darkness suspicious carotid artery thrombosis is narrow