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In vivo corneal confocal microscopy and histology in the normal rat cornea. (A) Transverse section of the epithelium-stroma interface, and (B) frontal sections of all the corneal layers generated by in vivo CCM. (C) Semi-thin transverse section stained with toluidine blue, illustrating the different corneal layers visualized by CCM. En, endothelium; Ep, epithelium; St, stroma.
