Yag Laser Eye Treatment
Medically reviewed by Drugs.com. Last updated on Dec 2, 2024.
What do I need to know about YAG laser treatment?
A YAG laser can be used to treat several types of vision problems. Examples include sealing leaking blood vessels, reducing pressure in the eye, replacing the cornea, and removing part of the iris. The most common procedure is a capsulotomy after cataract surgery. This procedure is used when clouding develops behind the lens placed after cataract removal. The laser creates a small hole behind the lens that light can pass through.
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How do I prepare for the procedure?
- Your healthcare provider will tell you how to prepare. Arrange to have someone drive you home after the procedure. You may need to have 1 eye treated at a time. Treatment may be a few weeks apart. Make sure you arrange to have someone drive you home after each treatment session.
- Bring dark sunglasses to your laser treatment appointments. Drops are used to dilate (widen) your pupils before treatment. Your pupils will absorb more harmful sunlight than usual while they are dilated. You will need to wear the dark sunglasses during your ride home.
- Tell your provider about all medicines you currently take. He or she will tell you if you need to stop any medicine for the procedure, and when to stop. He or she will tell you which medicines to take or not take on the day of the procedure.
What will happen during the procedure?
Your healthcare provider will talk to you about what to expect for your exact procedure.
- You may be given local anesthesia as eyedrops or shots to help prevent discomfort. You may still feel a mild ache during the procedure, but you should not feel pain. A contact lens will be placed on your cornea. The lens will keep your eye still and help the laser focus.
- The machine used for the procedure is similar to the machine used during a regular eye exam. You will sit with your chin on the chinrest and your forehead against the headrest. You may be asked to look at a target with the eye that is not being treated. This helps you keep your treated eye where your provider wants it during treatment.
- Your healthcare provider will aim the laser where you need treatment. The number of bursts from the laser will depend on the reason you are having treatment. You may hear a click or similar sound with each burst. You will see flashes of bright light during the procedure. Tell your provider if you feel severe pain while the laser is being used. He or she may need to make changes to your procedure.
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What should I expect after the procedure?
- You may be given drops to reduce pressure in your eye.
- Anti-vascular endothelial growth factor (anti-VEGF) treatment may be given to reduce swelling and improve vision.
- You should be able to return to most activities right away.
- You may feel a mild ache in your eye or see flashes of light for a day or two.
- Your vision may be blurry for up to a week.
- You may have a headache for a few hours.
What are the risks of YAG laser treatment?
The pressure or inflammation in your eye may increase. Your retina may become detached. The lens placed after cataract surgery can be damaged or displaced. The macula (part of the eye that gives pinpoint focus) may be damaged.
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Further information
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