Of the patients, 56 presented with central retinal occlusion, 64 with branch retinal artery occlusion, and 43 with amaurosis fugax.

• 这163名患者中，有56名罹患视网膜中央动脉阻塞，64名罹患视网膜分支动脉阻塞，及43名罹患暂时性黑蒙。