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  • Title: [Comparison of results of photorefractive keratectomy and laser in situ keratomileusis in the treatment of hyperopia using a flying spot eximer laser].
    Author: Resch M, Szentmáry N, Nagy ZZ, Czumbel N.
    Journal: Orv Hetil; 2004 Mar 14; 145(11):573-8. PubMed ID: 15098506.
    Abstract:
    PURPOSE: To evaluate the results of photorefractive keratectomy (PRK) and Laser in situ keratomieusis (LASIK) in eyes treated with hyperopia. PATIENTS AND METHODS: group 1 consisted of PRK-operated eyes, group 2 consisted of LASIK-operated eyes. In each group 20 eyes of 20 patients were listed. The average age in Group 1 was 33.4 +/- 8.4 year, while in group 2 it was 34.2 +/- 7.9 year. Refractive treatments were carried out with the Asclepion Meditec MEL 70 G-Scan flying spot excimer laser, LASIK flaps were created by the Moria CB manual microkeratome. RESULTS: In group 1, pre-operative refraction was +4.2 +/- 1.1 D (SE = spherical equivalent), in group 2 it was +4.8 +/- 1.21 D. Six months following surgery refraction was +0.35 +/- 0.12 D (SE) in group 1, while +0.38 +/- 0.14 D (SE) in group 2. The uncorrected visual acuity was 0.92 +/- 0.04 in group 1 and 0.91 +/- 0.01 in group 2.85% of eyes in group 1 and 95% of eyes in group 2 had a 1.0 uncorrected visual acuity. In group 1, 95% of the eyes were within +/- 1.0 D of targeted refraction, while in group 2, 100% achieved this. Best spectacle corrected visual acuity (BSCVA) did not change in 90% of group 1, while in 5% it increased by 1 and in the remaining 5% decreased by 1 Snellen line. In group 2. BSCVA remained unchanged in 85% of eyes, while in 10% it increased and in 5% decreased by 1 Snellen line. In group 1, glare was reported in 4 eyes, while in group 2.5 eyes reported postoperative glare, mainly during night driving. CONCLUSION: Effectivity, predictability and safety was good in both treatment groups. Results of hyperopic eyes below +6.0 D of preoperative refraction were not dependent on the type of operation (PRK or LASIK).
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