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G.S. Bhermi, D.P. O'Brart; Laser Epithelial Keratomileusis (LASEK) for the Correction of Hyperopia and Hyperopic Astigmatism: Medium-term Results . Invest. Ophthalmol. Vis. Sci. 2003;44(13):2607.
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© ARVO (1962-2015); The Authors (2016-present)
Purpose: To evaluate the use of Laser Epithelial Keratomileusis (LASEK) for the correction of hyperopia and hyperopic astigmatism. Methods: Thirty six consecutive eyes with hyperopia (mean spherical equivalent +3.3D (range +1 to +6), and hyperopic astigmatism (cylindrical correction range of –0.50D to –3.00D) underwent LASEK using the Summit Technology Apex Plus Laser. The epithelial flap was created using 15% alcohol applied for 20 seconds using the technique described by Camellin. Results: The mean patient follow-up was for 8.5months (range 3 to 12 months). At the last post-operative visit, of the 28 eyes with a pre-operative error of < +4.5D, 72% were within +/- 0.5D of emmetropia, and 90% were within +/- 1.00D. Predictability was significantly poorer for higher order corrections (+4.5D to +6D). A completely intact epithelial flap at the end of the procedure was achieved in 77% of eyes, and epithelial closure was achieved in all eyes by 4 days. Ocular discomfort was significant for the first 24hrs only. A peripheral ring of corneal haze (6mm in diameter) developed in eyes with corrections greater than +3.00D. No eyes developed axial haze. At the last post-operative visit, all eyes had a best-corrected visual acuity within one Snellen chart line of each other. Conclusion: In this medium-term study, LASEK appears to have minimal complications and offers good refractive correction for hyperopia up to +4.5D. These refractive results are comparable to published studies of hyperopic PRK and LASIK.
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