O.S. KUZNETSOVA, S.V. BALALIN Volgograd branch of S. Fyodorov Eye Microsurgery Federal State Institution, 80 Zemlyachki Str., Volgograd, Russian Federation, 400138  Kuznetsova O.S. – ophthalmologist of the Department of Refraction Abnormalities Correction, ophthalmosurgeon, tel. (8442) 58-15-95, e-mail: ol777ya@mail.ru Balalin S.V. – D. Sc. (medicine), Head of the Scientific Department, tel. (8442) 58-16-44, e-mail: s.v.balalin@gmail.com There […]