title: Long-term survival of large diameter penetrating keratoplasties for keratoconus and pellucid marginal degeneration.
authors.affiliation: Cornea Service Wills Eye Hospital, Philadelphia, PA.
authors.forename: M G
authors.initials: MG
authors.lastname: Speaker
authors.forename: J J
authors.initials: JJ
authors.lastname: Arentsen
authors.forename: P R
authors.initials: PR
authors.lastname: Laibson
mesh_terms: D000328:Adult; D003316:Corneal Diseases / Q000601:surgery*; D016039:Corneal Transplantation / Q000379:methods; D005500:Follow-Up Studies; D006085:Graft Survival; D006801:Humans; D007640:Keratoconus / Q000601:surgery*; D011379:Prognosis; D012086:Reoperation; D013536:Suture Techniques; D014792:Visual Acuity