What is the definition or description of: vitrectomy?

See below: This is a removal of the vitreous jelly from behind the eye. Usually done by a retina specialist in an operating room.

Removal of vitreous : Vitrectomy is the medical name for the surgical removal of the fluid that fills the largest cavity of the interior of the eyeball, the vitreous humor. It is usually done because of bleeding, in conjunction with a repair of a retinal detachment, to repair a macular (center of retina) hole, to treat infection, or remove a layer of scar tissue from the retina, among other possible indications.

Microsurgery: A vitrectomy operation is a microsurgical procedure performed under a microscope in which the retinal surgeon removes vitreous gel from the back of the eye. A tiny cutting instrument is used as well as a fiberoptic light. . A variety of other instruments, such as a laser may be used, depending on the circumstances. The operation is usually performed under local anesthesia as an outpatient.