Adjusting Laser Parameters for Myopic Laser Blended Vision According to Laser Treatment Zone: A Retrospective Study.

IF 1.7 4区 医学 Q3 OPHTHALMOLOGY
Anke Messerschmidt-Roth, Walter Sekundo, Karsten Pfeiffer, Alexandra Stein, Felix Mathias Wagner
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引用次数: 0

Abstract

Purpose: The nomograms for the laser procedure "Laser Blended Vision" (Presbyond®) for myopia were developed based on a 6 mm zone. The aim of these studies is to demonstrate that customized nomograms are necessary when changing the optical zone. The three-month results after the Presbyond® correction using a 6.4 mm to 6.5 mm optical zone were analyzed in myopic patients. All patients were treated at the University Hospital Gießen and Marburg and for analyses purposes they were divided into two groups. Group 1 was treated from 2017-2019 without a nomogram for this larger optical zone, and group 2 from 2019-2022 with a customized nomogram.

Methods: In the retrospective monocentric study, 86 eyes from 43 patients in group 1 and 120 eyes from 60 patients in group 2 were analyzed. All eyes were treated with the 500 kHz VisuMax® Laser and the Mel90® Excimer Laser using a 6.4 mm to 6.5 mm optical zone. The results are collected using Datagraph® software.

Results: The three-month results show overcorrection in both groups concerning the targeted refractive goal. In group 2, the analysis of distance and near vision shows that eyes treated for near vision deviate more than predicted. This is also confirmed in the refractive outcome. However, patient satisfaction is comparable in both groups, and retreatment rate is lower than published, although higher in group 1 than in group 2.

Conclusion: Since PRESBYOND® targets both, good distance vision does not fully reflect the goal of this procedure. The importance of personalized nomograms for distance and near vision is supported by our results, also the retreatment rate improved, and patient satisfaction influences the decision for retreatment. A separate nomogram for the distance and reading eye to further improve correction predictability is necessary, as predictability in both eyes is differing.

根据激光治疗区域调整近视激光混合视力激光参数的回顾性研究。
目的:以6mm区域为基础,制定近视激光“激光混合视觉”(Presbyond®)手术的图。这些研究的目的是为了证明,当改变光区时,定制的图是必要的。对近视患者使用6.4 mm至6.5 mm光学带进行Presbyond®矫正后三个月的结果进行分析。所有患者都在吉ßen和马尔堡大学医院接受治疗,为了分析目的,他们被分为两组。第一组在2017-2019年期间没有对这个较大的光学区域进行nomogram治疗,第二组在2019-2022年期间使用定制的nomogram治疗。方法:采用回顾性单中心研究方法,对1组43例患者86只眼和2组60例患者120只眼进行分析。所有眼睛用500 kHz VisuMax®激光器和Mel90®准分子激光器进行治疗,使用6.4 mm至6.5 mm的光学区。使用Datagraph®软件收集结果。结果:三个月的结果显示两组患者在屈光目标上均有过矫现象。在第2组中,对远近视力的分析表明,接受近视力治疗的眼睛偏差比预期的要大。这在屈光结果中也得到证实。然而,两组患者满意度相当,再治疗率低于公布的数据,尽管1组高于2组。结论:由于PRESBYOND®针对两者,良好的远距离视力并不能完全反映该手术的目标。我们的结果支持个性化的远近视力图的重要性,复诊率也有所提高,患者满意度影响复诊的决定。由于两只眼睛的可预测性是不同的,因此有必要为距离眼和阅读眼单独绘制图以进一步提高矫正的可预测性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Current Eye Research
Current Eye Research 医学-眼科学
CiteScore
4.60
自引率
0.00%
发文量
163
审稿时长
12 months
期刊介绍: The principal aim of Current Eye Research is to provide rapid publication of full papers, short communications and mini-reviews, all high quality. Current Eye Research publishes articles encompassing all the areas of eye research. Subject areas include the following: clinical research, anatomy, physiology, biophysics, biochemistry, pharmacology, developmental biology, microbiology and immunology.
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