M. M. Sitka
S. Fyodorov Eye Microsurgery Federal State Institution
Russian Federation

Sitka Marina M.
PhD, ophthalmologist
Traktorostroiteley ave., 10, Cheboksary, 428028

S. G. Bodrova
S. Fyodorov Eye Microsurgery Federal State Institution
Russian Federation

Bodrova Svetlana G.
PhD, head of vision contact correction department
Traktorostroiteley ave., 10, Cheboksary, 428028

O. I. Tikhonova
S. Fyodorov Eye Microsurgery Federal State Institution
Russian Federation

Tikhonova Olga I.
ophthalmologist
Traktorostroiteley ave., 10, Cheboksary, 428028

N. P. Pashtaev
S. Fyodorov Eye Microsurgery Federal State Institution; SAI SVE “Postgraduate Doctors’ Training Institute” of Health Care Ministry of the Chuvash Republic
Russian Federation

Pashtayev Nikolay P.
MD, Professor, director; head of the ophthalmology and otolaryngology department;
head of the ophthalmology course
Traktorostroiteley ave., 10, Cheboksary, 428028
Red sq., 3, Cheboksary, 428032
Moskovskiy ave., 15, Cheboksary, 428015

N. A. Pozdeyeva
S. Fyodorov Eye Microsurgery Federal State Institution; SAI SVE “Postgraduate Doctors’ Training Institute” of Health Care Ministry of the Chuvash Republic
Russian Federation

Pozdeyeva Nadezhda A.
MD, PhD, deputy director on scientiic work
Traktorostroiteley ave., 10, Cheboksary, 428028
Red sq., 3, Cheboksary, 428032

T. N. Okhotina
Chuvash State University named after I.N. Ulyanov
Russian Federation

Okhotina Tamara N.
PhD, Assistent Professor
Moskovskiy ave., 15, Cheboksary, 428015