A.D. CHUPROV, A.E. VORONINA, E.A. PETROSYAN Orenburg branch of S. Fyodorov Eye Microsurgery Federal State Institution, 17 Salmyshskaya Str., Orenburg, Russian Federation, 460047   Chuprov A.D. ― D. Sc. (medicine), Professor, Director, tel. (3532) 36-44-59, e-mail: [email protected] Voronina A.E. ― PhD (medicine), Head of Research and Academic Department, tel. (3532) 65-06-82, e-mail: [email protected] Petrosyan E.A. ― […]

A.E. APRELEV, N.P. SETKO, R.V. KORSHUNOVA Orenburg State Medical University, 6 Sovetskaya Str., Orenburg, Russian Federation, 460000  Aprelev A.E. — D. Med. Sc., Head of the Department of Ophthalmology, e-mail: [email protected] Setko N.P. — D. Med. Sc., Professor of the Department of hygiene of children and adolescents, e-mail: [email protected] Korshunova R.V. — postgraduate student of […]