Photorefractive keratectomy: A 6-year follow-up study
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Four-year Follow-up of the Changes in Anterior Segment After Phakic Collamer Lens Implantation
2017, American Journal of OphthalmologyOutcome of posterior chamber phakic intraocular lens procedure to correct myopia
2013, Saudi Journal of OphthalmologyCitation Excerpt :Various techniques, some complementary and some overlapping, can predictably, safely and permanently treat low, moderate and high myopia.1–7 Corneal surgery shows the greatest promise but is controversial for higher corrections because of increased tissue removal, small ablation zones, increased aberrations, and poor predictability.9–14 Clear lens extraction for high and extreme myopia exposes the patient to the risk of retinal detachment and cystoid macular edema (CME).15
Ten-Year Follow-up of Photorefractive Keratectomy for Myopia of More Than -6 Diopters
2008, American Journal of OphthalmologyCitation Excerpt :Other studies of PRK for moderate myopia with less than two years of follow-up found that between 40.5% and 90% of eyes were within ± 1.00 D after surgery.14,18–22 Long-term follow-up studies of PRK for low to moderate myopia demonstrated that refractive stability was achieved by one year and was maintained at up to 12 years with no significant hyperopic shift, late regression, or fluctuation.11–14 Other studies suggested that myopic ablations were accompanied by a hyperopic shift and that the magnitude of the hyperopic shift increased with the magnitude of attempted correction.23,24
Ten-year Follow-up of Photorefractive Keratectomy for Myopia of Less Than -6 Diopters
2008, American Journal of OphthalmologyEffects of Ablation Diameter on Long-term Refractive Stability and Corneal Transparency after Photorefractive Keratectomy
2006, OphthalmologyCitation Excerpt :This study shows that there was no significant change in postoperative refractive outcome between 1 and 10 to 12 years after PRK with different optical zone corrections (Table 3; Figs 1, 2). The long-term refractive stability after 4.0-mm PRK has been reported previously.8,9 Similarly, the refractive stability was maintained in the 5.0- and 6.0-mm ablation groups in the long term, confirming the safety of larger-zone PRK.
Cellular effects of mitomycin-C on human corneas after photorefractive keratectomy
2006, Journal of Cataract and Refractive Surgery
Presented at ARVO, Fort Lauderdale, Florida, May 1997.
Supported by the Iris Fund for the Prevention of Blindness, London, England (CGS).
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John Marshall is a consultant for Summit Technology.