Pellucid marginal degeneration (PMD) is characterized by progressive corneal ectasia just above an area of inferior crescentic corneal thinning. PMD is challenging to treat, and various techniques have been tried. This video aims to describe this condition and the possible treatment options. Newer advances in treatment are also discussed.

Financial Disclosures: Dr. Soosan Jacob discloses relationships with Madhu Instruments Pvt. Ltd. (Patents/Royalty) and Zeimer Ophthalmics AG (Consultant/Advisor).