A.D. CHUPROV, A.N. KAZENNOV, E.A. LOMUKHINA, I.A. KAZENNOVA, A.V. YURINA Orenburg branch of the S. Fyodorov Eye Microsurgery Federal State Institution, 17 Salmyshskaya Str., Orenburg, Russian Federation, 460047  Chuprov A.D. — D. Med. Sc., Professor, Director, tel. (3532) 364459, e-mail: [email protected] Kazennov A.N. — Cand. Med. Sc., Head of the Surgery Unit, tel. (3532)65-06-82, e-mail: […]