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飛秒激光和微型角膜刀治療遠視對比研究
Femtosecond Laser vs Mechanical Microkeratome for Hyperopic Laser In Situ Keratomileusis.
[Am J Ophthalmol. 2011 Apr 18. [Epub ahead of print]
Gil-Cazorla R, Teus MA, de Benito-Llopis L, Mikropoulos DG.
Source
Vissum Santa Hortensia, Madrid, Spain; E. U. óptica Universidad Complutense de Madrid, Madrid, Spain.

Abstract
PURPOSE:
To compare the outcomes of laser in situ keratomileusis (LASIK) performed with a femtosecond laser vs a mechanical microkeratome for the correction of low to moderate hyperopia.

DESIGN:
Retrospective, nonrandomized, interventional, comparative case series.

METHODS:
settings: Vissum Santa Hortensia, Madrid, Spain.study population and procedures: Patients who had undergone LASIK to correct their hyperopia using the 60-kHz IntraLase femtosecond laser were compared to age- and refraction-matched patients in whom the Moria M2 microkeratome was used. Visual and refractive results 3 months postoperatively were compared between both groups.

RESULTS:
A total of 144 eyes were analyzed (72 in each group). Mean preoperative sphere was +3.45 ± 1.0 diopters (D) in the IntraLase group vs +3.18 ± 1.3 D in the M2 group (P = .1). Results 3 months postoperatively were: mean residual sphere, +0.44 ± 0.6D vs +0.72 ± 0.8 D (P = .02), respectively; uncorrected visual acuity (UCVA), 0.89 ± 0.2 vs 0.80 ± 0.2 (P = .04); best spectacle-corrected visual acuity (BSCVA), 0.96 ± 0.2 vs 0.92 ± 0.2 (P = .2); safety index, 0.97 ± 0.1 vs 0.98 ± 0.1 (P = .5); efficacy index, 0.89 ± 0.2 vs 0.84 ± 0.2 (P = .3).

CONCLUSIONS:
Hyperopic LASIK performed with the IntraLase femtosecond laser seems to achieve better refractive results 3 months after the surgery compared to the M2 microkeratome, without significant differences in safety between both procedures.

　　這項對比飛秒激光和微型角膜刀治療中低度遠視的研究發(fā)表在2011年4月的美國眼科學雜志上，該研究根據(jù)年齡和屈光度分為60kHz IntraLase飛秒激光組和Moria M2微型角膜刀組，主要對比術后3個月視力和屈光度。結果顯示術后3個月，IntraLase飛秒激光治療遠視的效果比Moria M2微型角膜刀的效果更好，而兩者在安全性方面沒有明顯差異。
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