N.P. PASHTAEV¹—³, I.L. KULIKOVA¹, O.V. SHLENSKAYA¹ ¹Cheboksary branch of Interbranch scientific and technical complex «Eye Microsurgery» named after acad. S.N. Fedorov, 10 Traktorostroiteley St., Cheboksary, Russian Federation, 428028 ²Chuvash State University named after I.N. Ulyanov, 15 Moskovsky Ave., Cheboksary, Russian Federation, 428015 ³Institute of Advanced Training of Physicians of the Ministry of Health of the […]