I. A. Gndoyan
Volgograd state medical university
Russian Federation

Irina A. Gndoyan — Dr. of Med. Sci., associate professor, head of chair of ophthalmology

1, pl. Pavshikh bortsov, Volgograd, 400131

N. A. Adelshina
Volgograd state medical university
Russian Federation

Nadiya A. Adelshina — Cand. of Med. Sci., associate professor, chair of surgical diseases

1, pl. Pavshikh bortsov, Volgograd, 400131

A. V. Petrayevsky
Volgograd state medical university
Russian Federation

Alexey V. Petrayevsky — Dr. of Med. Sci., professor, chair of ophthalmology

1, pl. Pavshikh bortsov, Volgograd, 400131

V. V. Kovilin
Volgograd regional clinical hospital
Russian Federation

 Vladimir V. Kovilin — Cand. of Med. Sci., head of pediatric eye microsurgery department

13, Angarskaya St. Volgograd, 400081