title: Confocal microscopy analysis of corneal changes after photorefractive keratectomy plus cross-linking for keratoconus: 4-year follow-up.
authors.affiliation: Crete, Greece; and Miami, Florida.
authors.forename: George D
authors.initials: GD
authors.lastname: Kymionis
authors.affiliation: Miami, Florida.
authors.forename: Vasilios F
authors.initials: VF
authors.lastname: Diakonis
mesh_terms: D003094:Collagen / Q000378:metabolism*; D003315:Cornea / Q000473:pathology*; D003432:Cross-Linking Reagents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007640:Keratoconus / Q000628:therapy*; D008297:Male; D018613:Microscopy, Confocal / Q000379:methods*; D010778:Photochemotherapy / Q000379:methods*; D018903:Photorefractive Keratectomy
chemical_list: D003432:Cross-Linking Reagents; D003094:Collagen