The paper describes the development of the local and general statement of free radical oxidation in patients with vitreous opacities during vitrectomy. We examined 35 patients who underwent surgical treatment of vitreous opacities. We observed a positive dynamics of free radical oxidation after the operation: a full recovery of biochemical parameters in the late postoperative period. Among the complications mentioned cataract development in some patients who did not receive antioxidant therapy. Vitrectomy improves the visual function and is supposed to be safe and efficient in patients with floating vitreous opacities
