Objective: To study, through histopathological examination, calcium deposits in the cornea and its different presentation forms. Methods: Observational, transversal, retrospective and descriptive study of corneal buttons from penetrating keratoplasty from 2006 to 2015. Routine staining was performed with Hematoxylin-eosin, and in some cases additional staining was performed: Masson, PAS (Periodic Acid Of Schiff reaction) and reticulin. The tissues were examined with an optical microscope by the authors. We selected only the cases in which calcium deposits were identified in the […]