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Representative confocal images of the wing and basal epithelial layers and subbasal nerve plexus at different clinical stages of limbal stem cell deficiency. A, Images of the wing (left column) and basal epithelial (middle column) layers in the central cornea. The subbasal nerve plexus is also shown (right column). The arrow indicates prominent nuclei. B, Images of the wing (left column) and basal epithelial (right column) layers in the limbus.
