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Bar graphs showing subbasal corneal nerve number alterations in controls and infectious keratitis groups during the acute phase, cessation of treatment, and recovery phase. (A) Infectious keratitis combined, (B) Acanthamoeba keratitis, (C) fungal keratitis and (D) bacterial keratitis. Bars indicate mean ± standard error of the mean. * = p<0.05 for nerve branches, † = p<0.05 for main nerve trunks and ‡ = p<0.05 for total of nerves.
