Comparative analysis of surgically induced astigmatism following cataract surgery: influence of previous myopic correction and corneal parameters.

IF 1.4 4区医学 Q3 OPHTHALMOLOGY International Ophthalmology Pub Date : 2024-08-15 DOI:10.1007/s10792-024-03265-9

Alessandro Mularoni, Purva Date, Paola Bannò, Teresio Avitabile, Eleonora Benedetta Marcheggiani, Matteo Forlini

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Abstract

Purpose: This retrospective study investigated the impact of corneal parameters on surgically induced astigmatism (SIA) in eyes with prior myopic correction undergoing cataract surgery.

Setting: Department of Ophthalmology, San Marino Hospital, San Marino, Republic of San Marino.

Design: This case-control study analyzed existing data retrospectively, without randomization or masking.

Methods: Eighty eyes divided in group 1 (40 eyes previous underwent refractive surgery for myopia) and group 2 ( 40 myopic eyes) that underwent cataract surgery with intraocular lens (IOL) implantation were included. SIA was calculated using values from the IOL Master Zeiss 700 and mean pupil power (MPP) derived from the CSO Sirius Topographer (based on 3 mm pupil size) with vectorial analysis from doctor Hill software.

Results: No significant difference in SIA was observed between eyes with prior myopic photorefractive keratectomy and the control group (p > 0.05). SIA calculations using the IOL Master and CSO Sirius Tomographer yielded similar results. There was no significant correlation between SIA and axial length, corneal curvature, peripheral corneal thickness, or anterior chamber depth (p > 0.05). However, an inverse correlation was found between SIA and horizontal corneal diameter (p < 0.05).

Conclusions: Corneal parameters, such as axial length, corneal curvature, peripheral corneal thickness, and anterior chamber depth, showed no significant influence on SIA. The inverse correlation between SIA and horizontal corneal diameter in study group suggests potential influence of white-to-white distance on SIA. These findings highlight the importance of considering corneal parameters for optimizing surgical outcomes.

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白内障手术后手术诱发散光的比较分析：先前近视矫正和角膜参数的影响。

目的：这项回顾性研究调查了曾接受过白内障手术的近视眼矫正者的角膜参数对手术诱发散光（SIA）的影响：圣马力诺共和国圣马力诺医院眼科：本病例对照研究对现有数据进行了回顾性分析，未进行随机化或掩蔽：方法：将 80 只眼睛分为第 1 组（40 只曾接受屈光手术治疗近视）和第 2 组（40 只近视眼），前者曾接受白内障手术并植入人工晶体（IOL）。SIA 的计算使用了 IOL Master Zeiss 700 的数值和 CSO Sirius Topographer（基于 3 毫米瞳孔大小）得出的平均瞳孔功率 (MPP)，并使用 doctor Hill 软件进行了矢量分析：结果：曾接受过近视光屈光性角膜切割手术的眼睛与对照组的 SIA 无明显差异（P > 0.05）。使用 IOL Master 和 CSO Sirius Tomographer 计算 SIA 的结果相似。SIA 与轴长、角膜曲率、角膜周边厚度或前房深度之间无明显相关性（P > 0.05）。然而，SIA 与角膜水平直径之间存在反相关性（p 结论：SIA 与角膜水平直径之间存在反相关性：轴长、角膜曲率、角膜周边厚度和前房深度等角膜参数对 SIA 没有显著影响。在研究组中，SIA 与角膜水平直径呈反相关，这表明白-白距离对 SIA 有潜在影响。这些发现强调了考虑角膜参数对优化手术效果的重要性。

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

International Ophthalmology OPHTHALMOLOGY-

CiteScore

3.20

自引率

0.00%

发文量

451

期刊介绍： International Ophthalmology provides the clinician with articles on all the relevant subspecialties of ophthalmology, with a broad international scope. The emphasis is on presentation of the latest clinical research in the field. In addition, the journal includes regular sections devoted to new developments in technologies, products, and techniques.