[Perforating keratoplasty: preconditions, indications, complications, follow-up treatment (author's transl)].

The results of a penetrating keratoplasty depends not only on certain morphological-biochemical and immunological factors, but also on an adequate surgical technique. The indications for perforating corneal grafting have constantly extended during the past 20 years and are classified according to the chances of success and to the emergency of grafting; some unusual indications are mentioned. Complications are rarely observed, but may occur during or after the surgery. Postoperative care is discussed.