Vitrectomy, an eye surgery used for treating the problems of the eyes and retina, is done in cases of severe eye injury, some problems in cataract surgery, a hole in the macula, wrinkles in the macula, endophthalmitis, some forms of retinal detachment, and diabetic retinopathy presenting with bleeding affecting the retina of the eyes. During this procedure, some amount of vitreous or all is removed from the eyes. Then it is replaced with saline solution or a bubble made of gas or oil. During healing, bubble or saline solution are replaced with natural fluid produced in the eyes called aqueous humor.
Vitrectomy - Purpose, Procedure, and Indications
Vitrectomy is an ocular surgical procedure performed to correct retinal defects. To know more about vitrectomy, read the article below.

Advanced Vitrectomy Techniques- An Overview
The advances in the vitrectomy techniques have provided greater safety, reliability, and efficacy in managing several vitreoretinal diseases.