白内障手术时发生暴发性出血,有导致失明的危险.一般认为白内障手术时发生脉络膜暴发性出血是罕见的,国外很多报道均提示该病多伴有青光眼.分析其出血原因,可能是眼球开放时眼压急剧下降,血管壁内外压差大,是出血的诱因:脉络膜外层的大血管层,后睫状动脉穿过巩膜,招致进入脉络间隙的血管壁破裂而发生.发生出血的时期一般 Occurrence of cataract bleed during surgery, leading to the risk of blindness is generally believed that cholera outbreak occurs during cataract surgery is rare, many reports have suggested that the disease is often accompanied by more than glaucoma. Analysis of the causes of bleeding, may be the eye open A sharp decline in intraocular pressure, blood pressure inside and outside the wall, is a major cause of bleeding: the outer choroidal layer of blood vessels, the posterior ciliary artery through the sclera, leading to the rupture of the vascular wall into the venous space occurs.