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Article
July 1987

Refractive Keratoplasty for Disabling Astigmatism After Penetrating Keratoplasty

Author Affiliations

From The Wilmer Ophthalmological Institute, The Johns Hopkins Hospital, Baltimore.

Arch Ophthalmol. 1987;105(7):954-957. doi:10.1001/archopht.1987.01060070090035
Abstract

• Postoperative astigmatism is one of the major limitations of penetrating keratoplasty. In an attempt to reduce postkeratoplasty astigmatism, we combined corneal-relaxing incisions with orthogonal compression sutures, guided by the intraoperative use of a ring keratometer. Eleven consecutive patients from a mixed referral population with functionally disabling astigmatism were studied. The average preoperative keratometric cylinder of 11.68 diopters was reduced by 7.95 (±3.03 SD) diopters. Each patient's net keratometric cylinder was reduced. We believe that this technique is safer and more predictable than previously published techniques.

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