Pellucid marginal degeneration

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A rare disorder of the anterior segment of the eye characterized by slowly progressive bilateral non-ulcerative non-inflammatory clear thinning of the inferior portion of the peripheral cornea (extending from the 4 o’clock to the 8 o’clock position) with an area of corneal protrusion above the point of maximal thinning resulting in against-the-rule astigmatism with decreased visual acuity. The central cornea is of normal thickness.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version June 2024

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Pellucid marginal degeneration?

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Clinical Trials

For a list of clinical trials in this disease area, please click here.