David P . S . O ’ Brart

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Journal of Refractive Surgery Volume 17 July/August 2001 ABSTRACT PURPOSE: Photorefractive keratectomy (PRK) for hyperopia requires both a steepening of the central cornea and a flattening of the mid-periphery to achieve its effect and is likely to affect the optical aberrations of the eye. METHODS: Nine patients underwent PRK to correct between +2.00 and(More)
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