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Standard manual capsulorhexis / Ultrasound phacoemulsification compared to femtosecond laser-assisted capsulorhexis and lens fragmentation in clear cornea small incision cataract surgery

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Eye and Vision 2016年第1期3卷 154-165页

作者： Anastasios John Kanellopoulos George Asimellis laservision.gr Clinical and Research Eye Institute AthensGreece Department of Ophthalmology NYU Medical SchoolNew YorkNYUSA

Background:femtosecond-laser assisted clear cornea cataract surgery may hold promise in safer and more effective *** decided to perform a comparative study to standard manual incision phacoemulsification ***:This is a single-center,single-intervention,and prospective comparative data evaluation of 133 consecutive cases subjected to cataract ***-A(Phaco),manual capsulorhexis&ultrasound phacoemulsification(n=66);Group-B femtosecond-laser assisted capsulorhexis and lens fragmentation(n=67),employing the LenSx laser(Alcon Surgical,***,TX).All cases were evaluated for refraction,visual acuity,keratometry,tomography,pachymetry,endothelial cell counts,intraocular pressure,and type of intraocular lens(IOL)*** groups were matched for age,gender,pre-operative vision metrics,and cataract grade,and were followed up to 1 ***:In group-A post-operative uncorrected distance visual acuity(UDVA)was 20/20 or better in 61.5%and 20/25 or better in 78.5%of the *** femtosecond laser group-B had improved outcomes(p=0.075 and p=0.042,respectively):post-operative UDVA was 20/20 or better in 62.7%of the eyes and 20/25 or better in 85.1%.Linear regression scatterplots of achieved versus attempted spherical equivalent had excellent regression coefficients(r^(2)=0.983 in group-A and 0.979 in group-B).There were 75.2%cases in group-A and 80.6%in group-B(p=0.8732)within±0.50 D of targeted refractive *** trend of under-correction was noted in *** residual manifest cylinder in the toric subgroup-A was-0.50 D(95%Limit-of-Agreement(LoA)=-0.78 D),and in toric subgroup-B-0.45 D(LoA=-0.45 D).Conclusions:Mean spherical equivalent refraction and visual acuity are comparable with laser cataract surgery compared with manual capsulorhexis&ultrasound *** astigmatism correction may be among the benefits of femtosecond laser–assisted cataract *** corneal edema may be a first day transient

关键词： femto-second laser cataract surgery Manual capsulorhexis LenSx Toric IOL Phacoemulsification Refractive outcomes Endothelial cell counts Corneal edema Clear cornea small-incision cataract surgery

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