Prediction of Refractive Outcome of Second Eye with Partial Adjustment of Intraocular Lens Power of the First Eye

Q4 Medicine pzshkhy blyny bn syn Pub Date : 2019-12-01 DOI:10.21859/AJCM.26.3.137
N. Bazzazi, P. Pahlevani, M. Alizadeh
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Abstract

Background and Objective: This study aimed at comparing the results of refractive cataract surgery in patients undergoing sequential surgeries in both eyes. Considering the preoperative refraction and final refraction of the first eye, it is possible to correct the refrative result of cataract surgery using the adjustment of the second eye intraocular lens (IOL) power. Materials and Methods: This study was conducted based on a matchedpair clinical-trial design. Regarding the final result of the first eye refraction, the adjustment of the second eye IOL power was determined by 50% of uncorrected refractive error. Finally, the mean spherical equivalent (SE) of the first and second eyes were determined, and the differences were analyzed using a paired t-test at a significant level of 95%. Results: A total of 470 candidates who underwent bilateral sequential cataract surgery were investigated in this study. The refractive errors ranged from -8.25 to + 6.50 and from -6.75 to +7.25 for the first and second eyes, respectively. The mean values of SE for the first and second eyes were 2.55 and 2.48 preoperatively, and 1.13 and 0.47 postoperatively, respectively. Moreover, there was a significant difference between the two groups
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部分调整第一眼人工晶状体度数预测第二眼屈光结果
背景与目的:本研究旨在比较双眼连续手术患者的屈光性白内障手术结果。考虑到第一只眼睛的术前屈光和最终屈光,可以通过调整第二只眼睛的人工晶状体(IOL)度数来纠正白内障手术的重建结果。材料与方法:本研究采用配对临床试验设计。关于第一只眼睛折射的最终结果,第二只眼睛IOL度数的调整由50%的未校正的折射误差决定。最后,确定了第一只眼睛和第二只眼睛的平均球面当量(SE),并使用95%的显著水平的配对t检验分析了差异。结果:本研究共调查了470名接受双侧连续白内障手术的候选人。第一眼和第二眼的屈光误差分别为-8.25至+6.50和-6.75至+7.25。第一眼和第二眼的SE平均值术前分别为2.55和2.48,术后分别为1.13和0.47。此外,两组之间存在显著差异
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来源期刊
CiteScore
0.30
自引率
0.00%
发文量
16
审稿时长
8 weeks
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