• Courtesy of Robert S. Feder, MD.
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    Cornea/External Disease

    Corneal contour map. Upper left: Scheimpflug-based imaging illustrates a power map with inferior steepening and superior flattening. Upper right: An isolated island of anterior elevation above a best-fit sphere coincident with the maximum steepness. Lower right: An isolated island of posterior elevation. Lower left: Marked thinning in an area coincident with steepening and elevation.