Retina (Philadelphia, Pa.) · 2026
FOCAL CHOROIDAL EXCAVATIONS IN A SCREENING COHORT: Fundus Visibility and Structural Remodeling in Younger Adults.
СтатьяНазвание и аннотация: Перевод в очереди
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Kim EunAh, Song Su Jeong
Аннотация
PURPOSE: To determine how fundus visibility relates to optical coherence tomography-derived morphologic and topographic features of focal choroidal excavation (FCE) and to evaluate systemic and ocular associations in a health-screening cohort.
METHODS: The authors analyzed 19,048 individuals undergoing health examinations with spectral domain optical coherence tomography and fundus photography. FCEs were classified as fundus-visible or fundus-invisible. A 1:2 propensity score matching (age/sex) was performed to compare participants with FCE against non-FCE controls. Generalized estimating equations were used to analyze lesion characteristics, systemic comorbidities, and ocular parameters including intraocular pressure, choroidal thickness, and macular degeneration.
RESULTS: The authors identified 252 FCE lesions in 192 participants (1.0%). Compared with matched controls, the FCE group showed no significant differences in systemic comorbidities but had significantly lower intraocular pressure ( P = 0.026), greater choroidal thickness ( P < 0.001), and a higher prevalence of macular degeneration ( P = 0.002). Among FCEs, fundus-visible lesions had greater median horizontal diameter (681.0 vs. 518.0 µ m; P < 0.001) and depth (69.5 vs. 45.0 µ m; P < 0.001), were located closer to the fovea (611.5 vs. 1,385.0 µ m; P < 0.001), and exhibited higher rates of steep slopes (62.5% vs. 42.7%; P = 0.002) and outer nuclear layer thickening (61.7% vs. 31.5%; P < 0.001) compared with fundus-invisible lesions.
CONCLUSION: FCE is associated with distinct ocular profiles, including lower intraocular pressure and increased choroidal thickness, independent of systemic risk factors. Fundus visibility indicates larger, deeper, and paramacular lesions with specific structural alterations, underscoring the need to recognize subtle fundoscopic irregularities for early optical coherence tomography detection.
METHODS: The authors analyzed 19,048 individuals undergoing health examinations with spectral domain optical coherence tomography and fundus photography. FCEs were classified as fundus-visible or fundus-invisible. A 1:2 propensity score matching (age/sex) was performed to compare participants with FCE against non-FCE controls. Generalized estimating equations were used to analyze lesion characteristics, systemic comorbidities, and ocular parameters including intraocular pressure, choroidal thickness, and macular degeneration.
RESULTS: The authors identified 252 FCE lesions in 192 participants (1.0%). Compared with matched controls, the FCE group showed no significant differences in systemic comorbidities but had significantly lower intraocular pressure ( P = 0.026), greater choroidal thickness ( P < 0.001), and a higher prevalence of macular degeneration ( P = 0.002). Among FCEs, fundus-visible lesions had greater median horizontal diameter (681.0 vs. 518.0 µ m; P < 0.001) and depth (69.5 vs. 45.0 µ m; P < 0.001), were located closer to the fovea (611.5 vs. 1,385.0 µ m; P < 0.001), and exhibited higher rates of steep slopes (62.5% vs. 42.7%; P = 0.002) and outer nuclear layer thickening (61.7% vs. 31.5%; P < 0.001) compared with fundus-invisible lesions.
CONCLUSION: FCE is associated with distinct ocular profiles, including lower intraocular pressure and increased choroidal thickness, independent of systemic risk factors. Fundus visibility indicates larger, deeper, and paramacular lesions with specific structural alterations, underscoring the need to recognize subtle fundoscopic irregularities for early optical coherence tomography detection.