[Vitreous prolapse during cataract surgery].

Clinical data of 427 cases (458 eyes) of extracapsular cataract extraction and IOL implantation gave the impression that vitreous prolapse due to disruption of the zonula and the posterior capsule was a malpractical complication. Forcible capsulotomy too large or deep and uneven irrigating pressure were the common causes of zonular disruption. Obstructed passage and insufficient separation of the nucleus from the posterior cortical bed leading to difficult nuclear delivery, aspiration of cortex in the posterior chamber, poorly filled anterior chamber, insufficient room for the IOL, improper insertion of the posterior haptics and traumatic dialing were risk factors for posterior capsular rupture and vitreous prolapse.