I.Kh. SABIROVA1, A.N. AMIROV1,2 1Republican Clinical Ophthalmology Hospital of the Ministry of Health Care of the Republic of Tatarstan, 14 Butlerov Str., Kazan, Russian Federation, 420012 2Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012  Sabirova I.Kh. ― ophthalmologist, e-mail: [email protected] Amirov A.N. […]