title: Pigmented-membrane formation on acrylic intraocular lenses after phacoemulsification.
abstract: OBJECTIVE
  To report the formation of pigmented membranes on acrylic intraocular lenses (IOLs) after phacoemulsification and to determine the clinical characteristics of these pigmented membranes.
  
  
  METHODS
  Observational case series.
  
  
  METHODS
  Four eyes of three patients were found to have pigmented membranes on their acrylic IOLs (Sensar AR40). Their medical records were reviewed.
  
  
  RESULTS
  The pigmented membranes were observed at 4- to 9-month intervals after phacoemulsification. Their best-corrected Snellen visual acuity (BCVA) decreased by more than 2 lines, ranging from 20/63 to 20/40. After Nd:YAG laser treatment, BCVA improved 2 to 4 lines. At 5- to 12-week intervals after Nd:YAG laser treatment, recurrences of the pigmented membranes were observed with decreased BCVA.
  
  
  CONCLUSIONS
  We have observed visually significant, recurrent, pigmented membrane formation in eyes implanted with Sensar AR40 acrylic IOLs. To the best of our knowledge, pigmented membranes on acrylic IOLs have not been described previously.
authors.affiliation: Department of Ophthalmology, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do 463-707, Korea.
authors.forename: Jin
authors.initials: J
authors.lastname: Choi
authors.forename: Tae Woo
authors.initials: TW
authors.lastname: Kim
mesh_terms: D000180:Acrylic Resins; D000368:Aged; D000369:Aged, 80 and over; D002462:Cell Membrane / Q000473:pathology*; D005260:Female; D005549:Foreign-Body Reaction / Q000473:pathology* / Q000601:surgery; D006801:Humans; D053685:Laser Therapy; D007910:Lenses, Intraocular; D018918:Phacoemulsification; D010858:Pigmentation; D011183:Postoperative Complications; D012008:Recurrence; D014792:Visual Acuity
chemical_list: D000180:Acrylic Resins