4-day event was held in Berlin (Germany), organized by the German Society of Ophthalmology (DOG) from September 28 to October 1, 2023. This congress was in an interactive format by leading experts from all over the world who presented current developments in their fields of knowledge.

Employees of the department of pathology of the cornea of the SI "The Filatov Institute of Eye Diseases and Tissue Therapy of NAMS of Ukraine," headed by the head of the department, DMedSc, Professor Drozhzhyna Galyna and DMedSc, head of the laboratory of immunological researches Velychko Lyudmila took part in the event with poster reports «Frequency and features of clinical manifestations of keratitis and corneal ulcers in patients with rheumatoid arthritis» (Drozhzhyna G.I.), «Marker expression of neutrophil CD15 and anterior ocular suface in patient with typ2 Diabetes mellitus» (Zhmud T., Drozhzhyna G., Velichko L.),  «C alelle of rs9938149 in ZNF469 gene is identified as protective in patients with keratoconus from Ukraine (Gorodna O.V., Drozhzhyna G.I., Dzobak A.V., Ivanovskaya E.V., Livshits L.A.), «Merkmale der Behandlung von Hornhautdermoid» (Kogan B.M.), «Xenotransplantation – the prospect of using a bioflavonoid» (Kogan B.M), «A clinical case of patient rehabilitation after a combined explosive injury of the eyes, face, head and neck, complicated by Pseudomonas aeruginosae infection» (Ivanova O.N.) «The expression level of neutrophil activation markers in patients with type 2 diabetes mellitus and dry eye disease» (автори Zhmud T., Drozhzhyna G., Velichko L.).