Pupillary abnormalities in keratoconus.
We examined a patient with advanced keratoconus and a fixed and dilated pupil prior to keratoplasty. Local iris ischemia to the sphincter muscle appears to be the most likely etiology of this abnormality.
D000328:Adult; D001284:Atrophy; D016039:Corneal Transplantation; D005260:Female; D006801:Humans; D007498:Iris / Q000473:pathology; D007640:Keratoconus / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D012025:Reflex, Pupillary