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Classification of Visual Field Abnormalities in Highly Myopic Eyes without Pathologic Change

医学 青光眼 视野 置信区间 眼科 优势比 视野丧失 内科学
作者
Fengbin Lin,Shida Chen,Yunhe Song,Fei Li,Wei Wang,Zhenni Zhao,Xinbo Gao,Peiyuan Wang,Ling Jin,Yuhong Liu,Mei-Ling Chen,Xiaohong Liang,Bin Yang,Guili Ning,Ching‐Yu Cheng,Paul R. Healey,Ki Ho Park,Linda M. Zangwill,Tin Aung,Kyoko Ohno‐Matsui
出处
期刊:Ophthalmology [Elsevier BV]
卷期号:129 (7): 803-812 被引量:38
标识
DOI:10.1016/j.ophtha.2022.03.001
摘要

Purpose To develop a classification system of visual field (VF) abnormalities in highly myopic eyes with and without glaucoma. Design Secondary analysis of VF data from a longitudinal cohort study. Participants One thousand eight hundred ninety-three VF tests from 1302 eyes (825 individuals). Methods All participants underwent VF testing (Humphrey 24-2 Swedish interactive threshold algorithm standard program; Carl Zeiss Meditec) and detailed ophthalmic examination. A comprehensive set of VF defect patterns was defined via observation of the 1893 VF reports, literature review, and consensus meetings. The classification system comprised 4 major types of VF patterns, including normal type, glaucoma-like defects (paracentral defect, nasal step, partial arcuate defect, arcuate defect), high myopia-related defects (enlarged blind spot, vertical step, partial peripheral rim, nonspecific defect), and combined defects (nasal step with enlarged blind spot). A subset (n = 1000) of the VFs was used to evaluate the interobserver and intraobserver agreement and weighted κ values of the classification system by 2 trained readers. The prevalence of various VF patterns and their associated factors were determined. Main Outcome Measures The classification of VF in highly myopic eyes and its associated risk factors. Results We found that normal type, glaucoma-like defects, high myopia-related defects, and combined defects accounted for 74.1%, 10.8%, 15.0%, and 0.1% of all unique VF tests, respectively. The interobserver and intraobserver agreements were > 89%, and the corresponding κ values were 0.86 or more between readers. Both glaucoma-like and high myopia-related VF defects were associated with older age (odds ratios [ORs], 1.07 [95% confidence interval (CI), 1.04–1.10; P < 0.001] and 1.06 [95% CI, 1.04–1.10; P < 0.001]) and longer axial length (ORs, 1.65 [95% CI, 1.32–2.07; P < 0.001] and 1.37 [95% CI, 1.11–1.68; P = 0.003]). Longer axial length showed a stronger effect on the prevalence of glaucoma-like VF defects than on the prevalence of high myopia-related VF defects (P = 0.036). Conclusions We propose a new and reproducible classification system of VF abnormalities for nonpathologic high myopia. Applying a comprehensive classification system will facilitate communication and comparison of findings among studies. To develop a classification system of visual field (VF) abnormalities in highly myopic eyes with and without glaucoma. Secondary analysis of VF data from a longitudinal cohort study. One thousand eight hundred ninety-three VF tests from 1302 eyes (825 individuals). All participants underwent VF testing (Humphrey 24-2 Swedish interactive threshold algorithm standard program; Carl Zeiss Meditec) and detailed ophthalmic examination. A comprehensive set of VF defect patterns was defined via observation of the 1893 VF reports, literature review, and consensus meetings. The classification system comprised 4 major types of VF patterns, including normal type, glaucoma-like defects (paracentral defect, nasal step, partial arcuate defect, arcuate defect), high myopia-related defects (enlarged blind spot, vertical step, partial peripheral rim, nonspecific defect), and combined defects (nasal step with enlarged blind spot). A subset (n = 1000) of the VFs was used to evaluate the interobserver and intraobserver agreement and weighted κ values of the classification system by 2 trained readers. The prevalence of various VF patterns and their associated factors were determined. The classification of VF in highly myopic eyes and its associated risk factors. We found that normal type, glaucoma-like defects, high myopia-related defects, and combined defects accounted for 74.1%, 10.8%, 15.0%, and 0.1% of all unique VF tests, respectively. The interobserver and intraobserver agreements were > 89%, and the corresponding κ values were 0.86 or more between readers. Both glaucoma-like and high myopia-related VF defects were associated with older age (odds ratios [ORs], 1.07 [95% confidence interval (CI), 1.04–1.10; P < 0.001] and 1.06 [95% CI, 1.04–1.10; P < 0.001]) and longer axial length (ORs, 1.65 [95% CI, 1.32–2.07; P < 0.001] and 1.37 [95% CI, 1.11–1.68; P = 0.003]). Longer axial length showed a stronger effect on the prevalence of glaucoma-like VF defects than on the prevalence of high myopia-related VF defects (P = 0.036). We propose a new and reproducible classification system of VF abnormalities for nonpathologic high myopia. Applying a comprehensive classification system will facilitate communication and comparison of findings among studies.
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