Courtesy of Ming Wang, MD.
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Refractive Mgmt/Intervention
Irregular astigmatism in a corneal topographic map of the left eye of a patient with significant epithelial basement membrane dystrophy. The patient experienced glare and a general decline in quality of vision. Simulated K shows the flattest meridian at 39 degrees and the steeper meridian at 129 degrees N = nasal; T = temporal.