Axial vitrectomy

Coronal vitrectomy is a surgical procedure that operates in the anterior chamber, vitreous cavity, pre-retinal, subretinal and other intraocular spaces through an observation system, an illumination vitreous resection system, and a surgical system, including vitrectomy. Antibiotic lavage, removal of foreign bodies in the eyeball or the ball wall, removal or stripping of the anterior or inferior membrane of the retina, if necessary, combined with retinal photocoagulation, electrocoagulation, condensation, intraocular gas or silicone oil filling. Treatment of diseases: retinal shed vitreous hemorrhage Indication (1) Endophthalmitis. (2) Vitreous hemorrhage caused by trauma and fundus diseases. (3) Great retinal detachment. Surgical procedure 1. Cutting speed 600 times / sec, attractive force 13.3 ~ 20kPa; use the foot brake to control the attractive force, starting from the center of the lens leaving the lens behind the lens, keep the same level of operation, easy to adjust the microscope focus. Cut back in turn. Vitreous opacity or retinal detachment should be placed on the back of the knife to the retina. 2. Open the posterior membrane: When the vitreous is heavily turbid, the posterior membrane of the vitreous should be discerned. Those who have been detached have cut a hole near the surrounding area.

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