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Eye and vision 2014年第1期1卷 24-33页

作者： Samuel Arba Mosquera Jorge L Alió SCHWIND eye-tech-solutions KleinostheimGermany Vissum Corporation AlicanteSpain Division of Ophthalmology Universidad Miguel HernándezAlicanteSpain.

Purpose:The aim of this systematic review was to synthesize and appraise the evidence of the benefits of presbyopic correction on the cornea for visual ***:Comprehensive search was conducted in MEDLINE using keywords like“presbylasik”,“presbyopic refractive surgery”,“corneal pseudoaccommodation”and“corneal multifocality”.We reviewed corrected and uncorrected visual acuities for distance and near(uncorrected distance visual acuity(UDVA),uncorrected near visual acuity(UNVA),corrected distance visual acuity(CDVA),distance corrected near visual acuity(DCNVA),corrected near visual acuity(CNVA)),along with the refractive outcomes in spherical equivalent(SE)and astigmatism comparing the differences observed between preoperative myopic and hyperopic patients,as well as among ***-one studies met the inclusion and quality *** provides excellent distance and near uncorrected acuities,but with a 17%retreatment and a 5%reversal *** multifocal ablations result in 12%loss of 2 or more lines of CDVA,and a 21%retreatment *** blended vision provides excellent UDVA,but with a 19%retreatment *** experiences with Supracor show moderate predictability and a 22%retreatment *** results in 9%loss of 2 or more lines of *** provides excellent UDVA,with only a 1%retreatment rate,but a 6%reversal *** experiences with PresbyMAX provided excellent UNVA and DCNVA,showing excellent predictability and a 1%reversal ***:The findings have implications for clinicians and policymakers in the health-care industry and emphasize the need for additional trials examining this important and widely performed clinical procedure.

关键词： Presbyopic refractive correction Presbylasik Corneal pseudoaccommodation Corneal multifocality Distance corrected near visual acuity Monovision laser blended vision Supracor and Intracor KAMRA PresbyMAX

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Visual quality assessment after presbyopic laser in-situ keratomileusis

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International Journal of Ophthalmology(English edition) 2018年第3期11卷 462-469页

作者： Dong Hui Lim Eui-Sang Chung Myoung Joon Kim Tae-Young Chung Department of Ophthalmology Samsung Medical Center Sungkyunkwan University School of Medicine Department of Preventive Medicine Graduate School the Catholic University of Korea Department of Ophthalmology University of Ulsan College of MedicineAsan Medical Center

AIM： To assess visual quality after presbyopia correction using an aspheric ablation profile and a micro-monovision protocol. METHODS： This is a retrospective interventional study. Fifty-four eyes of 27 patients （mean age, 50.2±7.5y） who underwent presbyopia correction with an aspheric micro-monovision protocol were enrolled. The values of modulation transfer function （MTF） cutoff frequency, Strehl ratio, objective scattering index （OSI） and accommodation range were quantitatively assessed using the HD analyzer. Preoperative and postoperative contrast sensitivity （CS） at far （2.5 m） and near （40 cm） distance and higher-order aberrations （HOAs） were analyzed. Subjective visual satisfaction was evaluated by self-reported questionnaire regarding optical visual symptoms. RESULTS： One year after presbyopia correction, no significant differences were found in the MTF cutoff frequency, Strehl ratio and OSI, however, the lID analyzer accommodation range significantly differed postoperatively （P=0.004）. Postoperative CS at 12 and 18 cpd at near showed statistically significant improvement （P=0.020 and 0.008, respectively）. Visual performance by self-reported questionnaire revealed satisfactory results in terms of subjective visual quality improvement. CONCLUSION： Objective optical quality parameters show good visual outcomes. Subjective visual quality assessed by self-reported questionnaire in the presbyopia correction group show satisfactory results.

关键词： presbyopia correction laser blended vision visual quality LASIK

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