D.A. POVALYAEVA1, V.V. EGOROV1,2, G.P. SMOLYAKOVA1,2, L.P. DANILOVA1,2 1Khabarovsk branch of the S. Fyodorov Eye Microsurgery Federal State Institution, 211 Tikhookeanskaya Str., Khabarovsk, Russian Federation, 680033 2Postgraduate Institute for Public Health Workers, 9 Krasnodarskaya Str., Khabarovsk, Russian Federation, 680009  Povalyaeva D.A. — ophthalmologist of the Department of Complex Rehabilitation Treatment, tel. (4212) 22-51-21, e-mail: [email protected] […]