The German Keratoplasty Registry of the German Ophthalmological Society (DOG)

Aim of this study is to reflect on the changing trends in absolute numbers, surgical techniques and indications of corneal transplantations being performed in Germany. The Section Cornea of the German Ophthalmological Society provides interim-assessments on a regular basis about the most up-to-date results of this long-term study.

NCT Number	NCT03381794
Lead Sponsor	Universität des Saarlandes Collaborators: University Eye Hospital, Freiburg, University of Erlangen-Nürnberg, University of Cologne, Heinrich-Heine University, Duesseldorf, Charite University, Berlin, Germany
Conditions	Corneal Transplantation
Enrollment	100,000 participants
Start Date	2001-01-01
Primary Completion	2036-01-01 (estimated)
Study Completion	2036-01-01 (estimated)
Updated on ClinicalTrials.gov	2026-04-27