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Visual field defects after vitrectomy with fluid-air exchange
  1. GREGG T KOKAME
  1. Division of Ophthalmology, Department of Surgery, University of Hawaii School of Medicine, Honolulu, Hawaii and The Retina Center at Pali Momi, Kapi'olani Health, Aiea, Hawaii
  1. The Retina Center at Pali Momi, 98–1079 Moanalua Road, Suite 470, Aiea, Hawaii 96701, USA retinahi{at}aol.com

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Editor,—The paper by Cullinane and Cleary presents an excellent prospective study of peripheral visual field loss in patients undergoing macular hole surgery. The authors compared vitrectomy with complete posterior cortical vitreous peeling to limited vitrectomy with removal of cortical vitreous off the macula, but not off the optic nerve head or the peripheral retina. The authors showed a statistically significant decrease in peripheral visual field defects with the limited vitrectomy technique (0%, 0/22 patients) compared with the complete vitrectomy group (22%, 18/82 patients).

The authors postulated that this difference is due to the avoidance of traction on the optic nerve head during …

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