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Mean values and 95% confidence intervals for CCT (a), ECD (b), subbasal corneal nerve and cellular parameters comparing healthy controls and FECD patients. Subbasal nerve parameters included total number of nerves (c), main nerve trunks (d), and total nerve length (e). Cellular parameters included anterior (f) and posterior keratocyte (g), and superficial epithelial cell (h) density. ECD could not be assessed in two FECD patients due to severe guttae.
