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斯涅伦图表在白内障手术视力评估中是否已输给 ETDRS？

HAS SNELLEN CHART LOST THE BATTLE TO ETDRS IN CATARACT SURGERY VISUAL ACUITY EVALUATION?

机构信息

1Eye Hospital, Clinical Center of Serbia, Belgrade, Serbia; 2Faculty of Medicine, University of Belgrade, Belgrade, Serbia; 3Emergency Medical Care, Belgrade, Serbia; 4Faculty of Health and Business, Singidunum University, Valjevo, Serbia.

出版信息

Acta Clin Croat. 2022 Feb;60(3):441-449. doi: 10.20471/acc.2021.60.03.15.

DOI:10.20471/acc.2021.60.03.15
PMID:35282473
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8907941/
Abstract

This study was designed to explore practical differences between visual acuity (VA) scores measured on Snellen chart ETDRS chart, to grade cataracts using LOCS III system, and to compare VA on both charts depending on cataract grade and type. Prospective evaluation of uncorrected and best-corrected visual acuity was carried out on the eye scheduled for cataract surgery preoperatively and postoperatively on the Snellen and ETDRS charts. The study was carried out at Department of Eye Diseases, Clinical Center of Serbia, during a two-year period. Inclusion criteria were met by 540 patients who underwent testing, surgery, data collection and analysis. The mean VA score was better on ETDRS than on Snellen chart. The mean difference was 6.05 letters or 1.21 lines. VA results correlated with all types of cataract regardless of the chart used, with the highest statistical significance (p<0.0001) for subcapsular cataract. The ETDRS chart was found to be more discriminative and precise than Snellen chart, especially for poor VA.

摘要

本研究旨在探讨在 Snellen 图表和 ETDRS 图表上测量的视力 (VA) 分数之间的实际差异，使用 LOCS III 系统对白内障进行分级，并根据白内障的等级和类型比较两种图表上的 VA。对预定进行白内障手术的眼睛进行了未矫正和最佳矫正视力的前瞻性评估，术前和术后均在 Snellen 和 ETDRS 图表上进行。该研究在塞尔维亚临床中心眼科疾病科进行，为期两年。共有 540 名患者符合纳入标准，他们接受了测试、手术、数据收集和分析。ETDRS 图表上的平均 VA 评分优于 Snellen 图表。平均差异为 6.05 个字母或 1.21 行。VA 结果与使用的图表无关，与所有类型的白内障相关，与囊下白内障的相关性最高（p<0.0001）。与 Snellen 图表相比，ETDRS 图表更具区分性和精确性，尤其是对于低 VA。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/34b75898b6e7/acc-60-441-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/53db22a8f4d9/acc-60-441-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/8473de9e148a/acc-60-441-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/dbac22e4edd4/acc-60-441-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/34b75898b6e7/acc-60-441-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/53db22a8f4d9/acc-60-441-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/8473de9e148a/acc-60-441-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/dbac22e4edd4/acc-60-441-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d829/8907941/34b75898b6e7/acc-60-441-f4.jpg

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本文引用的文献

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Cataract.白内障
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Trans Am Ophthalmol Soc. 2009 Dec;107:311-24.
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Uniformity of visual acuity measures in published studies.已发表研究中视力测量的一致性。
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Comparison of visual acuity in macular degeneration patients measured with snellen and early treatment diabetic retinopathy study charts.使用斯内伦视力表和糖尿病视网膜病变早期治疗研究视力表测量黄斑变性患者视力的比较。
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