Abstract
PurposeTo evaluate the effectiveness, predictability, and safety of photorefractive keratectomy (PRK) for correcting residual myopia and myopic astigmatism after cataract surgery with intraocular lens implantation. SettingRefractive Surgery and Cornea Unit, Instituto Oftalmológico de Alicante, Alicante, Spain. MethodsThirty consecutive eyes (30 patients) had PRK for residual myopia after cataract surgery. Surface PRK with a VISX Twenty-Twenty excimer laser was used in all patients. Follow-up was 1 year. ResultsBefore PRK, no eye had an uncorrected visual acuity (UCVA) of 20/40 or better. Twelve months after PRK, 16 eyes (53.33%) had a UCVA of 20/40 or better. After PRK, best corrected visual acuity (BCVA) improved 1 line or more in 14 eyes (46.66%) over the preoperative values, and 15 eyes (50.00%) had the same BCVA as before PRK. Mean pre-PRK refraction of –5.00 diopters (D) ± 2.50 (SD) decreased significantly to –0.25 ± 0.50 D at 12 months (P < .001). At 12 months, the spherical equivalent was within ±1.00 D of emmetropia in 27 eyes (90.00%). No vision-threatening complications occurred. ConclusionPhotorefractive keratectomy was an effective, predictable, and safe procedure for correcting residual myopia and myopic astigmatism after cataract surgery.
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