• Arcuate, peripheral add-on, corneo-scleral graft (CSG) combined CXL, in advanced pellucid margin degenaration (PMD) Description: Arcuate, peripheral add-on, corneo-scleral graft (CSG) combined CXL, in advanced pellucid margin degenaration (PMD) Subspecialty: Cornea / External Disease Level: Intermediate Uploaded By: A. Kanellopoulos