[Vitreous loss and the incidence of cystoid macular edema].

81 patients (81 eyes) with senile cataract were performed intracapsular cataract extraction, and fluorescein angiography 1 to 6 months postoperative revealed the incidence of cystoid macular edema to be 68% (21/31 eyes) in cataract extractions with vitreous loss and 14% (7/50 eyes) in those without, the difference between the 2 groups was very significant (P less than 0.01).