Pellucid marginal corneal degeneration (PMD) is a corneal disease which affects the lower, inferior part of the cornea. Standard contact lenses do not work! Good news: there is a new contact lens design that is shaped to fit the inferior part of the cornea, with a different curvature on the upper, superior part of the cornea.Continue reading “Specialty Contacts: Inferior Pellucid Degeneration”