Yu.A. BARBOS1,2, N.L. CHEREDNICHENKO1, S.M. KARPOV1 1Stavropol State Medical University, 310 Mira St., Stavropol, Russian Federation, 355017 2Stavropol Regional Clinical Hospital, 1 Semashko St., Stavropol, Russian Federation, 355030 Barbos Yu.A. ― extramural postgraduate student of the Ophthalmology Department with a course of additional professional education, Doctor at the Ophthalmology Division, e-mail: juliana_alex-na@mail.ru Cherednichenko N.L. ― […]