title: Differentiating keratoconus and pellucid marginal degeneration.
authors: Aylin
authors: A
authors: Ertan
mesh_terms: D003317:Corneal Dystrophies, Hereditary / Q000175:diagnosis* / Q000601:surgery; D003319:Corneal Stroma / Q000601:surgery; D019781:Corneal Topography / Q000379:methods; D006801:Humans; D007640:Keratoconus / Q000175:diagnosis* / Q000601:surgery; D019736:Prostheses and Implants; D019919:Prosthesis Implantation