Andrzej Grzybowski1,2, Timo Eppig3,4. 1. Department of Ophthalmology, University of Warmia and Mazury, 30 Warszawska str., 10-082, Olsztyn, Poland. ae.grzybowski@gmail.com. 2. Institute for Research in Ophthalmology, Poznan, Poland. ae.grzybowski@gmail.com. 3. Institute of Experimental Ophthalmology, Saarland University, Homburg, Germany. 4. AMIPLANT GmbH, Schnaittach, Germany.