I.N. GRIGORJEVA1, N.A. POZDEEVA1,2 1Cheboksary Branch of Federal State Autonomous Institution “Interbranch scientific and technical complex “Eye Microsurgery” named after Acad. S.N. Fedorov” of the Ministry of Health of the Russian Federation, 10 Traktorostroiteley Ave., Cheboksary, Russian Federation, 428028 2Physicians’ Continuing Education Institute of the Ministry of Health of the Chuvash Republic, 27 Mikhaila Sespelya […]