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Vitrectomy surgery procedure definition
OPERATION to remove the vitreous humor from within the EYE as treatment for RETINAL DETACHMENT, vitreous HEMORRHAGE (bleeding into the vitreous humor), RETINOPATHY, and foreign body penetration. In vitrectomy, the ophthalmologist makes three tiny incisions in the sclera (white portion) of the eye for the insertion of a cutting instrument, a light, and an infusion tube.
The cutting instrument rotates to gently pull the vitreous humor out of the eye, and the ophthalmologist replaces it with a saline-based solution at the same rate to maintain pressure and stability within the eye. Recovery from uncomplicated vitrectomy takes about two to three weeks. Complex vitrectomy, such as when there is retinal detachment or a macular tear, may require additional methods to help the eye heal. Recovery from complex vitrectomy may take several months, though usually preserves vision and the eye.