Surgery is almost always used to repair a retinal tear, hole or detachment. Various techniques are available. Ask your ophthalmologist about the risks and benefits of your treatment options. Together you can determine what procedure or combination of procedures is best for you.
When a retinal tear or hole hasn't yet progressed to detachment, your eye surgeon may suggest one of the following procedures to prevent retinal detachment and preserve vision.
- Laser surgery (photocoagulation). The surgeon directs a laser beam into the eye through the pupil. The laser makes burns around the retinal tear, creating scarring that usually "welds" the retina to underlying tissue.
- Freezing (cryopexy). After giving you a local anesthetic to numb your eye, the surgeon applies a freezing probe to the outer surface of the eye directly over the tear. The freezing causes a scar that helps secure the retina to the eye wall.
Both of these procedures are done on an outpatient basis. After your procedure, you'll likely be advised to avoid activities that might jar the eyes — such as running — for a couple of weeks or so.
If your retina has detached, you'll need surgery to repair it, preferably within days of a diagnosis. The type of surgery your surgeon recommends will depend on several factors, including how severe the detachment is.
Injecting air or gas into your eye. In this procedure, called pneumatic retinopexy (RET-ih-no-pek-see), the surgeon injects a bubble of air or gas into the center part of the eye (the vitreous cavity). If positioned properly, the bubble pushes the area of the retina containing the hole or holes against the wall of the eye, stopping flow of fluid into the space behind the retina. Your doctor also uses cryopexy during the procedure to repair the retinal break.
Fluid that had collected under the retina is absorbed by itself, and the retina can then adhere to the wall of your eye. You may need to hold your head in a certain position for up to several days to keep the bubble in the proper position. The bubble eventually will reabsorb on its own.
Indenting the surface of your eye. This procedure, called scleral (SKLEER-ul) buckling, involves the surgeon sewing (suturing) a piece of silicone material to the white of your eye (sclera) over the affected area. This procedure indents the wall of the eye and relieves some of the force caused by the vitreous tugging on the retina.
If you have several tears or holes or an extensive detachment, your surgeon may create a scleral buckle that encircles your entire eye like a belt. The buckle is placed in a way that doesn't block your vision, and it usually remains in place permanently.
Draining and replacing the fluid in the eye. In this procedure, called vitrectomy (vih-TREK-tuh-me), the surgeon removes the vitreous along with any tissue that is tugging on the retina. Air, gas or silicone oil is then injected into the vitreous space to help flatten the retina.
Eventually the air, gas or liquid will be absorbed, and the vitreous space will refill with body fluid. If silicone oil was used, it may be surgically removed months later.
Vitrectomy may be combined with a scleral buckling procedure.
These procedures are often done on an outpatient basis.
After surgery your vision may take several months to improve. You may need a second surgery for successful treatment. Some people never recover all of their lost vision.
April 12, 2016
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