title: Cystoid macular edema following secondary lens implantation.
abstract: We reviewed 224 cases that had undergone secondary lens implantation. Cystoid macular edema occurred in 16 (7.1%) cases; edema was transient in 14 (6.3%) cases and permanent in two (0.8%) cases. Three factors seem to affect the incidence of CME: time lapse between cataract extraction and lens implantation; a positive preoperative fluorescein angiogram; and vitreous loss during lens implantation--if implantation is performed within a year of cataract extraction. Two eyes with pre-existing CME and a functional vision of 20/100 or better deteriorated to 20/200 or less after secondary lens implantation due to permanent macula edema. However, the incidence of postoperative CME can be as low as 1.3% if the macula is clear on the preoperative fluorescein angiogram and if surgery is performed no sooner than one year after cataract extraction.
mesh_terms: D000328:Adult; D000368:Aged; D002387:Cataract Extraction; D004487:Edema / Q000150:complications* / Q000175:diagnosis; D005260:Female; D005451:Fluorescein Angiography; D006801:Humans; D007910:Lenses, Intraocular; D008266:Macula Lutea; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012164:Retinal Diseases / Q000150:complications / Q000175:diagnosis; D013997:Time Factors