Pars plana vitrectomy for chronic pseudophakic cystoid macular edema

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Abstract

PURPOSE: We determined the efficacy of pars plana vitrectomy in a series of patients with chronic pseudophakic cystoid macular edema. METHODS: Clinical records were reviewed on 24 consecutive patients who underwent pars plana vitrectomy in one eye for chronic pseudophakic cystoid macular edema. All 24 patients had failed to improve on medical therapy and had preoperative evidence of either vitreous adhesions to anterior segment structures (23 eyes) or iris capture of the intraocular lens (one eye). RESULTS: The mean, best-corrected Snellen visual acuity was 20/190 preoperatively (median, 20/200; range, 20/50 to 3/200) and 20/52 postoperatively (median, 20/40; range, 20/20 to 20/400 [P < .0001]). Visual acuity improved postoperatively in all 24 eyes, with a mean improvement of 4.7 Snellen lines (range, one to eight lines). There was no highly significant difference in preoperative visual acuity (P = .41) or postoperative visual improvement (P = .17) between patients with anterior as opposed to posterior chamber intraocular lenses. Longer time interval from cataract surgery to vitrectomy did not correlate with less postoperative visual improvement. CONCLUSIONS: In pseudophakic eyes with chronic cystoid macular edema, vitreous adhesions to anterior segment structures, and visual loss that is unresponsive to medical therapy, pars planavitrectomy with removal of these vitreous adhesions may lead to improved visual acuity.

Original languageEnglish
Pages (from-to)302-307
Number of pages6
JournalAmerican Journal of Ophthalmology
Volume120
Issue number3
StatePublished - Jan 1 1995
Externally publishedYes

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Temazepam
Macular Edema
Vitrectomy
Visual Acuity
Intraocular Lenses
Iris
Cataract
Therapeutics

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Pars plana vitrectomy for chronic pseudophakic cystoid macular edema. / William Harbour, J.; Smiddy, William E; Rubsamen, P. E.; Murray, T. G.; Davis, Janet L; Flynn, Harry W.

In: American Journal of Ophthalmology, Vol. 120, No. 3, 01.01.1995, p. 302-307.

Research output: Contribution to journalArticle

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abstract = "PURPOSE: We determined the efficacy of pars plana vitrectomy in a series of patients with chronic pseudophakic cystoid macular edema. METHODS: Clinical records were reviewed on 24 consecutive patients who underwent pars plana vitrectomy in one eye for chronic pseudophakic cystoid macular edema. All 24 patients had failed to improve on medical therapy and had preoperative evidence of either vitreous adhesions to anterior segment structures (23 eyes) or iris capture of the intraocular lens (one eye). RESULTS: The mean, best-corrected Snellen visual acuity was 20/190 preoperatively (median, 20/200; range, 20/50 to 3/200) and 20/52 postoperatively (median, 20/40; range, 20/20 to 20/400 [P < .0001]). Visual acuity improved postoperatively in all 24 eyes, with a mean improvement of 4.7 Snellen lines (range, one to eight lines). There was no highly significant difference in preoperative visual acuity (P = .41) or postoperative visual improvement (P = .17) between patients with anterior as opposed to posterior chamber intraocular lenses. Longer time interval from cataract surgery to vitrectomy did not correlate with less postoperative visual improvement. CONCLUSIONS: In pseudophakic eyes with chronic cystoid macular edema, vitreous adhesions to anterior segment structures, and visual loss that is unresponsive to medical therapy, pars planavitrectomy with removal of these vitreous adhesions may lead to improved visual acuity.",
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