Abstract
A 56-year-old patient who had pliotorefractive keratectomy (PRK) to correct highunilateral myopia developed a progressive nuclear cataract.. Phacoemulsification an and , intraocular lens (IOL) implantation were performed: However,: determination of IOL power using automated keratometry and computerized videokeratography was not successful il in this case of high axial myopia because of a decentered ablation zone, resulting in too-steep keratometric readings: Postoperative hyperopia could only be corrected by an IOL exchange. Because it may not be possible to determine the exact keratometric values for IOL calculation after PRK,: subtracting the change in refraction induced by PRK from the preoperative keratometric readings, might have been more accurate in this patient.
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