I.A. FROLYCHEV1, N.A. POZDEYEVA1,2, D.V. SYCHEVA2, I.N. GRIGORIYEVA1, L.V. KOLBOVSKAYA3 1Cheboksary Branch of S. Fyodorov Eye Microsurgery Federal State Institution, 10 Traktorostroiteley Ave., Cheboksary, Russian Federation, 428028 2Postgraduate Doctors’ Training Institute of the Ministry of Healthcare of Chuvash Republic, 27 Mikhail Sespel’ Str., Cheboksary, Russian Federation, 428018 3City Hospital №1 of the Ministry of Healthcare […]