Photorefractive Keratectomy for Hyperopia after Radial Keratotomy
Jan Venter
Abstract
Jan Venter
Abstract
BACKGROUND: Progressive hyperopia is a common complication following radial keratotomy. METHODS: Ten eyes of ten consecutive patients with hyperopia after radial keratotomy between +1.75 and +4.00 diopters (D) were treated with the hyperopia module of the Nidek Model EC-5000 excimer laser. The mean preoperative uncorrected visual acuity was 0.38 (20/60+). RESULTS: After excimer laser photorefractive keratectomy (PRK), mean uncorrected visual acuity improved to .72 (20/30+). No complications occurred with the exception of one eye with haze greater than 2+. CONCLUSION: PRK for hyperopia is a valuable method for correcting hyperopia after radial keratotomy.
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BACKGROUND: Progressive hyperopia is a common complication following radial keratotomy. METHODS: Ten eyes of ten consecutive patients with hyperopia after radial keratotomy between +1.75 and +4.00 diopters (D) were treated with the hyperopia module of the Nidek Model EC-5000 excimer laser. The mean preoperative uncorrected visual acuity was 0.38 (20/60+). RESULTS: After excimer laser photorefractive keratectomy (PRK), mean uncorrected visual acuity improved to .72 (20/30+). No complications occurred with the exception of one eye with haze greater than 2+. CONCLUSION: PRK for hyperopia is a valuable method for correcting hyperopia after radial keratotomy.
Key concepts: Radial keratotomy, Photorefractive keratectomy, Dioptre, Ophthalmology, Medicine, Refractive error, Vision disorder, Visual acuity