A.D. CHUPROV1, V.N. KANYUKOV1, O.V. KADNIKOVA1, A.K. EKIMOV2, E.A. PETROSYAN1 1Orenburg branch of the S. Fyodorov Eye Microsurgery Federal State Institution, 17 Salmyshskaya Str., Orenburg, Russian Federation, 460047 2Children’s City Clinical Hospital, 25 Kobozeva Str., Orenburg, Russian Federation, 460000 Chuprov A.D. ― D. Med. Sc., Professor, Director, tel. (3532) 36-44-59, e-mail: [email protected] Kanyukov V.N. ― […]