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KMID : 0213520220360030210
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Korean Journal of Ophthalmology
2022 Volume.36 No. 3 p.210 ~ p.217
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Factors Associated with Macular Staphyloma Area on Ultra-widefield Fundus Images
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Zhang Xinmei
Pazo Emmanuel Eric
Zhang Aoqi
Yang Lanting
Dai Guangzheng
Wu Xianwei
Xia Yang
Meshi Amit
He Wei
Lin Tiezhu
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Abstract
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Purpose: To assess the feasibility of applying ultra-widefield fundus (UWF) images for macular staphyloma area (MSA) measurement and investigate the associated factors with MSA.
Methods: This is a retrospective study. MSA was measured by UWF imaging. Central foveal thickness, subfoveal choroidal thickness, subfoveal scleral thickness were measured on spectral domain optical coherence tomography. Intraclass correlation coefficients of MSA measurement would be evaluated. Multiple linear regression analysis was used to analyze the associated factors with MSA.
Results: In total, 135 eyes of 92 patients were enrolled. The mean age was 64.73 ± 10.84 years. Mean MSA on UWF image was 279.67 ± 71.70 mm2. Intraclass correlation coefficients of MSA measurement was 0.965 (95% confidence interval [CI], 0.946 to 0.977; p < 0.001). In the multiple linear regression analysis, after adjusting for subfoveal choroidal thickness, best-corrected visual acuity, central foveal thickness, and subfoveal scleral thickness, the factors independently related to MSA were axial length (β = 8.352; 95% CI, 3.306 to 13.398; p = 0.001), sex (β = -26.673; 95% CI, -51.759 to -1.586; p = 0.037), age (β = 1.184; 95% CI, 0.020 to 2.348; p = 0.046).
Conclusions: It is feasible to measure MSA on UWF image. Female, longer axial length, and older age may indicate larger MSA.
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KEYWORD
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Degenerative, High myopia, Macular degeneration, Myopia, Optical imaging
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