Photorefractive Keratectomy (PRK) has been performed routinely since the 1990s for correction of myopia, hyperopia and astigmatism. It involves, removal of corneal surface epithelium and …

Mar 31, 2016 · The safety and efficacy of laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) in correcting hyperopic astigmatism have been reported. 1 However, the …

Dec 6, 2013 · Photorefractive keratectomy (PRK) employs a 193-nm argon fluoride excimer laser to ablate the anterior corneal stroma to a new radius of curvature to decrease refractive error.

Transepithelial photorefractive keratectomy (Trans PRK) is a relatively new technology for refractive surgery and has shown promising results in myopia correction. The data on …

Nov 8, 2024 · Photorefractive keratectomy (PRK) is a type of refractive surgery. This kind of surgery uses a laser to treat vision problems caused by refractive errors. You have a refractive …

Photorefractive keratectomy (PRK) was the first surface ablation procedure introduced for the treatment of refractive errors and has been proven to be effective and safe. In some cases, …

Mar 18, 2025 · To evaluate differences in clinical outcome, safety, and efficacy of photorefractive keratectomy (PRK) and laser-assisted in situ keratomileusis (LASIK) in the correction of …

Jun 13, 2012 · Hyperopia can be corrected with both non-surgical and surgical methods, among them photorefractive keratectomy (PRK) and laser assisted In situ keratomileusis (LASIK). …

The safety and efficacy of laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) in correcting hyperopic astigmatism have been reported. 1 However, the efficacy of any …

Surface ablation procedures or photorefractive keratectomy (PRK) are practised commonly for the correction of refractive errors including myopia, astigmatism and hyperopia.