D.G. ARSYUTOV1,2 1Republican Clinical Ophthalmology Hospital of the Ministry of Healthcare of Chuvash Republic, 85 Ashmarin Str., Cheboksary, Russian Federation, 428014 2Chuvash State University named after I.N. Ulyanov, 45 Moskovskiy Pr., Cheboksary, Russian Federation, 428034 Arsiutov D.G. ― PhD (medicine), Chief Doctor, Associate Professor of the Department of Ophthalmology and Otolaryngology, tel. (8352) 51-22-02, e-mail: […]