title: Paradoxical central corneal steepening after collagen crosslinking in a case with intrastromal corneal ring segments.
authors.forename: Juan Carlos
authors.initials: JC
authors.lastname: Abad
mesh_terms: D003094:Collagen / Q000378:metabolism*; D003319:Corneal Stroma / Q000601:surgery*; D003432:Cross-Linking Reagents / Q000627:therapeutic use*; D006801:Humans; D007640:Keratoconus / Q000628:therapy*; D017319:Photosensitizing Agents / Q000627:therapeutic use*; D019919:Prosthesis Implantation; D012256:Riboflavin / Q000627:therapeutic use*
chemical_list: D003432:Cross-Linking Reagents; D017319:Photosensitizing Agents; D003094:Collagen; D012256:Riboflavin