title: Cataract extraction after successful penetrating keratoplasty.
mesh_terms: D000368:Aged; D002387:Cataract Extraction; D003317:Corneal Dystrophies, Hereditary / Q000601:surgery; D016039:Corneal Transplantation; D005260:Female; D006801:Humans; D007634:Keratitis / Q000601:surgery; D007640:Keratoconus / Q000601:surgery; D008297:Male; D008875:Middle Aged; D014184:Transplantation, Homologous; D014792:Visual Acuity