Type of Surgery
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Last updated: 02/17/2009
The danger of mortality and loss of vision depends on the cause of the retinal detachment. Patients with Marfan syndrome, pre-eclampsia and diabetes, for example, are more at risk during the scleral buckling procedure than a patient in relatively good...
health. The risk of surgery also rises with the use of general anesthesia. Scleral buckling, however, is considered a safe, successful procedure.
Severe infections that are left untreated can cause vision loss, but following the prescribed regimen of eye drops and follow-up treatment by the physician greatly minimizes this risk.
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A scleral buckle is one of several ophthalmologic procedures that can be used to repair a retinal detachment. Retinal detachments are usually caused by retinal tears, and a scleral buckle can be used to close the retinal break.
Scleral buckles come in many shapes and sizes. An encircling band is a thin silicone band sewn around the circumference of the sclera of the eye. Buckles are often placed under a band to create a dimple on the eye wall.
The scleral buckle is secured around the eyeball under the conjunctiva. This moves the wall of the eye closer to the detached retina. It also may move the retina closer to the vitreous. This alteration in the relationships of the tissues seems to allow the fluid which has formed under the retina to be pumped out, and the retina to re-attach. No-one really understands the physics or physiology of this process.
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Approximately 56% of all patients achieve results of 20/20 or better and over 90% achieve 20/40 or better (which is good enough to drive without corrective lenses in most regions).1 Those with moderate to high myopia (greater than 7 diopters) have a lesser chance of achieving that result. As technique and technology improve, the results continue to improve.
From: Eye Surgery Education Council
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