O.V. MAZURINA1, V.V. EGOROV1,2, G.P. SMOLYAKOVA1,2 1Khabarovsk branch of the S. Fyodorov Eye Microsurgery Federal State Institution, 211 Tikhookeanskaya St., Khabarovsk, Russian Federation, 680033 2Institute for Advanced Training of Health Professionals, 9 Krasnodarskaya St., Khabarovsk, Russian Federation, 680000  Contact: Mazurina O.V. ― Ophthalmologist of children Ophthalmology Department, tel. (4212) 72-27-92, e-mail: naukakhvmntk@mail.ru Egorov V.V. ― […]