iStent®

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iStent®  is the first Micro-Invasive Glaucoma Surgery device that improves your eye’s natural fluid outflow to safely lower eye pressure by creating a permanent opening in the trabecular meshwork. Proven safe and effective, the iStent Trabecular Micro-Bypass:

  • Is safely implanted during cataract surgery.
  • Spares important eye tissue that is often damaged by traditional surgeries.
  • Does not limit treatment options that could help maintain your vision in the future.

iStent®  is the smallest medical device ever approved by the FDA. It is placed in your eye during cataract surgery and is so small that you won’t be able to see or feel it after the procedure is over. iStent®  is designed to create a permanent opening in your trabecular meshwork and works continuously to improve the outflow of fluid from your eyes to help control eye pressure.

Chart showing how small the istent is compared to a penny

Common Questions About iStent:

What causes high eye or intraocular pressure?

Your eye uses an intricate fluid outflow system to keep it balanced and healthy. At the center of this system is the trabecular meshwork. In patients with open-angle glaucoma, a blockage in the trabecular meshwork keeps the fluid in your eye from draining properly. When this happens, fluid backs up and eye pressure rises.

How does iStent®  lower eye pressure?

iStent®  is designed to create a permanent opening in your eye’s drainage system to improve the outflow of fluid from your eyes. By increasing fluid outflow, iStent®  lowers pressure within the eye.

How big is the stent?

iStent®  is tiny. It is the smallest medical device ever approved by the FDA. It is so small you won’t be able to see or feel it after the procedure is done.

Is iStent®  safe?

Yes. iStent®  is a safe glaucoma treatment that has been approved by the FDA for mild to moderate open-angle glaucoma.

Will I be able to feel or see the iStent®  in my eye?

No. iStent is so small you won’t be able to see or feel it after the procedure is done.

Does iStent®  hurt?

No. iStent®  does not hurt. You won’t even be able to feel it after the procedure is done. However, your eyes will be sore and sensitive after having cataract surgery. Your eye doctor will give you anti-inflammatory or antibiotic eye drops to use for a few weeks.

Will I be able to stop taking my glaucoma eye drops?

In a US clinical trial, iStent patients who achieved a target pressure of <21, were more likely not to need their medications than patients with cataract only surgery.

Is iStent®  right for me?

If you are going to have cataract surgery and are currently taking one or more medications to lower your eye pressure, you may be a candidate for iStent®. Contact Westlake Eye Specialist to learn more.

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