1) Also recommended by Dr. Rallatos
https://de.wikipedia.org/wiki/Universit%C3%A4tsklinikum_Essen
Doctor recommended: Dr. Norbert Bornfeld
Tel: 0049 201 72335 69
Email retina@uk-essen.de
https://www.uk-essen.de/en/kliniken0/kliniken-fuer-augenheilkunde/
2) Universitatsklinikum UKE Augenheilklinik Hamburg
Dr. Skevas (to help further contacts)
Most important: Prof. Nicole Stübiger
Email: n.stuebiger@uke.de
Tel: (via Dr. Skevas hopefully soon)