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Thickness profiles of SL and SCL with respective PoLTF thicknesses. The horizontal axis is the lateral distance from the central cornea (0 mm) to the peripheral cornea (6.15 mm) with the reference point (horizontal axis = 0) being the central cornea at the anterior epithelial surface. The vertical axis represents thickness values determined radially. Thickness profiles were obtained from literature, determined, or measured.8,11,29–31
