Vladimir Filatov is credited with restoring the sight of which Soviet sniper?
Vladimir Filatov Vladimir Petrovich Filatov (Russian: Владимир Филaтoв , 15 [O.S. 27] February 1875, Mikhaylovka, Penza Governorate, Russian Empire - 30 October 1956, Odessa, Ukrainian SSR) was a Russian and Ukrainian ophthalmologist and surgeon best known for his development of tissue therapy. He introduced the tube flap grafting method, corneal transplantation and preservation of grafts from cadaver eyes. He founded the Institute of Eye Diseases & Tissue Therapy in Odessa, Soviet Union (today Ukraine). Filatov is also credited for restoring Vasily Zaytsev's sight when he suffered an injury to his eyes from a mortar attack during Battle of Stalingrad.
Diopter sight The diopter is an aperture sight component used to assist the aiming of devices, mainly firearms, airguns, and crossbows. It is found in particular as a rear sight element on rifles.