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• W2922812483 abstract "Purpose: To characterize and correlate guttata severity, Descemet’s membrane thickness (DMT), central cornea thickness (CCT) in corneas with guttae using specular microscopy and spectral-domain optical coherence tomography (SD-OCT) and test the Doheny Image Reading Center (DIRC) specular microscopy-based corneal guttata severity scale.Methods: Forty-nine eyes of 49 patients with guttata and 36 eyes of age-matched of 36 normal controls were enrolled in the study. Three images of the central cornea and four of the peripheral cornea (inferior, superior, nasal and temporal) of each eye were taken using the Konan NSP-9900 specular microscope. A volume scan of the central cornea cross-section was collected on each eye using the Heidelberg Spectralis SD-OCT. The density of endothelial guttata based on specular images was graded on a 0–4 scale, and the Descemet’s membrane thickness (DMT) and central corneal thickness (CCT) were manually measured by two trained graders.Results: The DIRC corneal guttata severity scale showed good reproducibility of all corneal endothelial images (weighted Kappa = 0.87). Mean DMT was 16.1 ± 2.4 µm in controls and 25.5 ± 10.9 µm in corneas with guttata (P < 0.001). Mean CCT was 552 ± 26 µm in controls and 603 ± 55 µm in corneas with guttata (P < 0.001). Guttata severity was significantly correlated with both DMT (r = 0.743, P < 0.001) and CCT (r = 0.569, P < 0.001). Age was moderately correlated with DMT (r = 0.472, P = 0.003) and mildly correlated with guttata severity (r = 0.285, P = 0.031), but was not correlated with CCT (r = 0.058, P = 0.681). Guttatta grade 3 corneas displayed an increase in DMT and guttata grade 4 was associated with a significant increase in CCT.Conclusions: The DMT and CCT are increased in corneas with guttata. The higher density of guttae is correlated with increased thickness. Specular microscopy combined with SD-OCT can be used as a good approach to assess the severity of FECD." @default.
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• W2922812483 date "2019-04-05" @default.
• W2922812483 modified "2023-10-01" @default.
• W2922812483 title "Correlation between Guttata Severity and Thickness of Descemet’s Membrane and the Central Cornea" @default.
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• W2922812483 doi "https://doi.org/10.1080/02713683.2019.1600194" @default.
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