TITLE

Photorefractive Keratectomy and LASIK for the Correction of Hyperopia: 2-year Follow-up

AUTHOR(S)
Spadea, Leopoldo; Sabetti, Lelio; D'Alessandri, Laura; Balestrazzi, Emilio
PUB. DATE
February 2006
SOURCE
Journal of Refractive Surgery;Feb2006, Vol. 22 Issue 2, p131
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
PURPOSE: To evaluate the efficacy and safety of photorefractive keratectomy (PRK) and LASIK in the correction of hyperopia. METHODS: A retrospective study was conducted on 100 eyes of 56 patients with a mean hyperopia of +2.85±1.1 diopters (D) undergoing PRK and 100 eyes of 50 patients with a mean hyperopia of +4.49±1.2 D undergoing LASIK. A Zeiss Meditec MEL 70 G scan laser was used. RESULTS: After 24-month follow-up in the PRK group (100 eyes), the mean manifest refractive spherical equivalent (MRSE) was +0.34±0.92 D (36% ±0.5 D). Mean uncorrected visual acuity (UCVA) was 0.87±0.1; 8 (8%) eyes gained 1 line, 80 (80%) eyes had no loss or gain of lines, 10 (10%) eyes lost 1 line, and 2 (2%) eyes lost 2 lines. In the LASIK group (100 eyes), at 24-month follow-up, the mean MRSE was +0.29±0.66 D (70% ±0.5 D). Mean UCVA was 0.89±0.1; 6 (6%) eyes gained 2 lines, 10 (10%) eyes gained 1 line, 78 (78%) eyes had no loss or gain of lines, and 6 (6%) eyes lost 1 line. CONCLUSIONS: Photorefractive keratectomy and LASIK were both effective and safe in the correction of hyperopia. However, PRK manifested an initial temporary myopic overshoot followed by a hyperopic regression over 24-month follow-up (P<.01) whereas LASIK was associated with a faster refractive stability.
ACCESSION #
20094155

 

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