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What Is YAG Photodisruption?

YAG photodisruption is a laser technique that uses a Nd:YAG laser to create a very precise opening or cut in eye tissue. The laser works by creating a tiny, controlled disruption at the target spot rather than heating tissue like some other lasers. It is commonly used after cataract surgery if a cloudy film forms behind the lens implant and blurs vision again. The procedure is usually quick and done in the clinic. Your doctor decides if it's appropriate based on your symptoms and a full exam.

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What Is YAG Photodisruption?

YAG photodisruption is a laser technique that uses a Nd:YAG laser to create a very precise opening or cut in eye tissue. The laser works by creating a tiny, controlled disruption at the target spot rather than heating tissue like some other lasers. It is commonly used after cataract surgery if a cloudy film forms behind the lens implant and blurs vision again. The procedure is usually quick and done in the clinic. Your doctor decides if it's appropriate based on your symptoms and a full exam.

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Common Eye Procedures That Use YAG Photodisruption

The best-known use is a YAG capsulotomy, which opens a cloudy capsule behind a lens implant after cataract surgery. It can also be used for certain iris-related openings in specific situations. The exact use depends on the condition and the part of the eye being treated. Your eye doctor will explain what tissue is being targeted and why.

What the Procedure Feels Like

Most people feel little to no pain, but you may notice bright flashes and mild pressure. A contact lens may be placed on the eye to help focus the laser. The procedure typically takes only a few minutes once you're set up. Vision can be a bit blurry right after due to drops and temporary floaters.

Recovery and Aftercare

Many people return to normal activities the same day, but your doctor may give you specific instructions. You might be prescribed drops for a short time, depending on your case. Floaters can happen briefly as tiny debris moves in the eye. Your doctor may check eye pressure after the procedure and again at follow-up.

Possible Risks and When to Call Your Doctor

Risks can include a short-term rise in eye pressure, inflammation, and new floaters. Rarely, more serious issues can occur, so it's important to follow follow-up instructions. Call your doctor right away for a sudden shower of floaters, flashes of light, a curtain-like shadow, or a sudden drop in vision. Those symptoms need prompt evaluation.

FAQs on YAG Photodisruption

Why would I need YAG after cataract surgery?

Some people develop clouding of the capsule behind the lens implant, which can blur vision again. A YAG capsulotomy opens that cloudy area so light can pass through clearly. It's a common reason for the procedure.

Is YAG photodisruption the same as LASIK?

No. LASIK reshapes the cornea to correct vision. YAG photodisruption makes a small opening or cut in targeted tissue, often inside the eye, for a specific condition.

Will I see floaters afterward?

Some people notice floaters temporarily, especially right after treatment. They often fade or become less noticeable over time. If floaters suddenly increase or you see flashes, contact your doctor promptly.

How fast will my vision improve?

Some people notice improvement within hours, while others take a day or two. Your vision may be blurry right after due to drops and mild inflammation. If clarity doesn't improve as expected, follow up with your clinic.

References

Laser Principles in Ophthalmology. NCBI Bookshelf (StatPearls). https://www.ncbi.nlm.nih.gov/books/NBK582153/. Date Accessed February 10, 2026.

YAG Laser Capsulotomy (Posterior Capsulotomy). Cleveland Clinic. https://my.clevelandclinic.org/health/procedures/yag-laser-capsulotomy-posterior-capsulotomy. Date Accessed February 10, 2026.

Cataract Surgery. Mayo Clinic. https://www.mayoclinic.org/tests-procedures/cataract-surgery/about/pac-20384765. Date Accessed February 10, 2026.

Posterior Capsule Opacification. EyeWiki. https://eyewiki.org/Posterior_Capsule_Opacification. Date Accessed February 10, 2026.

Retinal Detachment. National Eye Institute. https://www.nei.nih.gov/eye-health-information/eye-conditions-and-diseases/retinal-detachment. Date Accessed February 10, 2026.