This is the hardest part of the recovery following your surgery, but the most important. If we put a gas or silicon oil in your eye, we will usually ask you to keep your head any body in a particular position. This is called ‘posturing’ and aims to provide support to seal the holes in your retina. Your surgeon will decide whether it is necessary for you to posture after your surgery.
The bubble floats inside the eye cavity and we will usually ask you to hold your head in a position so that the bubble lies against the holes. This is an important part of the treatment, and the position you hold your head in will depend on where the holes are in your retina. We might also advice you to sleep in a particular position at night. By following our instructions, you will give your retina the best chance to be successfully treated. Your co-operation matters a great deal.
As the gas bubble begins to disperse, you will notice a line in your vision that moves, similar to a spirit level. You will be able to see above the line, but under the line the vision will be fuzzy or blurred. The gas will eventually disperse until it is only a small bubble in the bottom of your eye and then the bubble will disappear too. The length of time the gas stays in your eye depends on which gas is used.
There are two types of gas, a short acting gas, SF6. Which will stay in the eye for two-three weeks, and a long acting gas, C3F8, which can stay in the eye for up to two months.
- You must not fly while there is gas in your eye.
- You must inform the anaesthetist if you have a general anaesthetic for any operation while there is still gas in your eye, as he / she cannot use nitrous oxide gas in your anaesthetic.
Posted in: Retinal Detachment Surgery
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