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Comparison of visual quality after implantation of Al-UV and SN60WF aspheric intraocular lens

International Journal of Ophthalmology(English edition) 2020年第11期13卷 1727-1732页

作者： Xuan Liao Ji-Yun Li Qing-Qing Tan Jing Tian Jia Lin Chang-Jun Lan Department of Ophthalmology Affiliated Hospital of North Sichuan Medical CollegeNanchong 637000Sichuan ProvinceChina Department of Ophthalmology and Optometry North Sichuan Medical CollegeNanchong 637000Sichuan ProvinceChina Department of Ophthalmology the First People's Hospital of NeijiangNeijiang 641000Sichuan ProvinceChina

AIM:To compare the visual performance of pseudophakic eyes implanted with Al-UV and SN60WF aspheric intraocular lens(IOL),and to investigate the correlations between visual quality parameters and pupil ***:This prospective comparative study included 105 eyes of 90 patients with age-related cataract who underwent uneventful *** subjects were divided into two groups according to the implanted IOL *** months postoperatively,visual acuity and contrast sensitivity were measured,wave-front aberrations were assessed using a KR-IW aberrometer(Topcon),and objective optical quality parameters were performed using an optical quality analysis system-OQAS Il(Visiometrics).Independent sample Mest and Spearman correlation analysis were used for data ***:There were no significant differences found in visual acuity,contrast sensitivity and visual quality parameters between the two groups(P>0.05).The measured intraocular spherical aberration(SA)in Al-UV IOL eyes of-0.19±0.05 pm was close to the designed SA value of-0.20 *** modulation transfer function cutoff,Strehl ratio and OQAS values were negatively correlated with pupil size in both groups(Paspheric IOL eyes,visual quality decreases with increasing pupil size.

关键词： cataract aspheric intraocular lens visual quality pupil size

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Personalized aspheric intraocular lens implantation based on corneal spherical aberration: a review

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International Journal of Ophthalmology(English edition) 2019年第11期12卷 1788-1792页

作者： Wei Du Wei Lou Qiang Wu Department of Ophthalmology Shang hai Jiao Tong University Affiliated Sixth People’s Hospital

With the evolution of cataract surgery from visual rehabilitation to refractive surgery, aspheric intraocular lenses(IOLs) are being increasingly used in the field of ophthalmology. This increased use can be attributed to negative or zero spherical aberrations with unique optical designs, which counteract some of the positive spherical aberrations of the cornea. These alterations reduce the total spherical aberration of human eyes and improve the visual acuity in patients with cataract postoperatively. At present, various types of aspheric IOLs are used worldwide. Although the implantation of aspheric IOL is beneficial to the patients who need correction of spherical aberrations, much controversy is still associated with ocular residual spherical aberrations that facilitate the best visual quality for patients postoperatively. In order to provide reference for future clinical work and scientific research, this report reviews the relationship between the ocular residual spherical aberration of human eyes and visual quality.

关键词： corneal spherical aberration aspheric intraocular lens visual quality

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A New Locus Shaping Method of Quadric aspheric Parts

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Defence Technology（防务技术） 2005年第2期1卷 233-239页

作者：王院生王鹤岩路桂英蔡立朴承镐 School of Mechanical and Electrical Engineering Changchun University of Science and Technology Changchun 130022 Jilin China

The original idea and shaping principle of locus shaping method for processing the aspheric optical parts are introduced, and the partial structure of the machine tool designed is described. The method has the advantage of high efficiency and low cost compared to the numerical control method. And it is proven that the method is feasible.

关键词： aspheric surface conic curve conic curved surface locus shaping method

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Clinical outcomes of a new diffractive multifocal intraocular lens

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International Journal of Ophthalmology(English edition) 2017年第12期10卷 1844-1850页

作者： Baha Toygar Ozge Yabas Kiziloglu Okan Toygar Ali Murat Hacimustafaoglu Department of Ophthalmology Goztepe Medical Park HospitalIstanbul 34732Turkey

AIM：To evaluate clinical outcomes after implantation of a new diffractive aspheric multifocal intraocular lens（IOL） with ＋3.00 addition ***：This is a retrospective,consecutive case series of cataract patients who underwent bilateral implantation of the Optiflex MO/HF D012（Moss Vision ***,London,UK） multifocal *** followed for 6 mo were included in the *** on distance,intermediate and near visual acuity,refractive error [manifest spherical equivalent（MSE）],contrast sensitivity,adverse events,subjective symptoms,spectacle independence and patient satisfaction [visual function questionnaire（VFQ）-25 questionnaire] were retrieved from electronic medical records and ***：Forty eyes of 20 patients with a mean age of 66.7±8.5 y（range：53-82） were included in the *** uncorrected distance,near and intermediate visual acuity remained stable through postoperative visits and was 0.19±0.19 log MAR,Jaeger 4 and Jaeger 3 respectively at the 6 mo *** the end of postoperative 6 mo,MSE was-0.14±0.42 diopters（D） and 98% of the eyes were within 1.00 D of target *** low contrast（10%） visual acuity remained stable（P=0.54） through follow up visits with a mean of 0.35±0.17 log MAR at the 6 mo *** were no reported adverse *** of the patients reported subjective symptoms of halo or *** independence rate was 90%.Mean VFQ-25 questionnaire score was 93.5±***：The Optiflex MO/HF-DO12 IOL was safely implanted and successfully restored distance,intermediate and near visual acuity without impairing contrast *** levels of spectacle independence were achieved at all distances including intermediate distance.

关键词： multifocal intraocular lens diffractive aspheric

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