![]() This process ideally increases pressure inside the eye just enough, usually, to keep the retina in contact with the choroid until scar tissue can make the bond permanent. ![]() This procedure is known as pneumatic retinopexy. To hold the retina in place while the scar is forming, the surgeon may remove the vitreous fluid in the eye and replace it with a bubble of an oil called sulphahexafluoride (SF6), air, or both. You may have a permanent blind spot at each site of reattachment, but you could have no vision at all without the treatment. Retinal detachment is treated with laser or cryotherapy (with a freezing proble) to create a small scar that will reattach it. These are most common in people under the age of 40.
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