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Regeneration of corneal nerves in patients with HSV keratitis. In an eye with previous HSV keratitis, there is a significant loss of subbasal nerves (A). The same eye after 3 years of follow-up shows regeneration of corneal subbasal nerves (B). The contralateral eye of a patient with previous HSV keratitis demonstrates a significant subbasal nerve loss (C) with no significant change in nerve density after 3 years of follow-up (D).
