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June 1995

Management of Ablation Decentration Following Excimer Photorefractive Keratectomy

Author Affiliations

Boston, Mass

Arch Ophthalmol. 1995;113(6):706-707. doi:10.1001/archopht.1995.01100060030018

As with any keratorefractive procedure, the results of excimer photorefractive keratectomy (PRK) are dependent on accurate centration. Although ablation decentration is a recognized complication, to our knowledge, methods for correction of this uncommon but significant complication have not been described in detail. We report herein a case of successful management.

Report of a Case.  A healthy 24-year-old man underwent excimer PRK in the left eye (6.0-mm ablation zone) with a VISX 2020 excimer laser (VISX, Inc, Santa Clara, Calif) as part of a Food and Drug Administration-approved investigational study. Preoperative visual acuity was 20/20 OS, with a manifest and cycloplegic refraction of − 7.75 −0.25 X170 diopters (D) and otherwise normal results of an ocular examination. Postoperatively, the treatment zone was noted to be nasally decentered. One year later, the patient still complained of glare and distortion, with uncorrected visual acuity of 20/70 correcting to 20/30 and a manifest refraction

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