E. V. Boiko
Saint-Petersburg Branch of S. Fyodorov Eye Microsurgery Federal State Institution; North-Western State Medical University named after I.I. Mechnikov; S.M. Kirov Military Medical Academy 
Russian Federation

 Dr. Sc. (Med.), Professor, Director; Head of the Ophthalmology Department; Professor at the Ophthalmology Department

Yaroslava Gasheka str. 21, Saint Petersburg 192283, Russian Federation 

Piskarevsky ave. 47, Saint Petersburg 195067, Russian Federation 

Akademika Lebedeva str. 6, Saint Petersburg 194044, Russian Federation 

D. Kh. Oskanov
Saint-Petersburg Branch of S. Fyodorov Eye Microsurgery Federal State Institution
Russian Federation

 Ophthalmologist at the Vitreoretinal Surgery Unit

Yaroslava Gasheka str. 21, Saint Petersburg 192283, Russian Federation 

S. V. Sosnovskii
Saint-Petersburg Branch of S. Fyodorov Eye Microsurgery Federal State Institution
Russian Federation

 Cand. Sc. (Med.), Docent, Ophthalmologist at the Vitreoretinal Surgery Unit 

 Yaroslava Gasheka str. 21, Saint Petersburg 192283, Russian Federation