Surgery·Surgery
Glaucoma surgery overview
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Glaucoma is an eye condition where the pressure inside your eye becomes too high, which can damage the optic nerve (the cable that sends images to your brain). Surgery for glaucoma aims to lower this pressure to protect your sight.
Key facts
Glaucoma is one of the most common causes of blindness worldwide. Surgery is less common than eye drops, but many people need it eventually.
It mainly affects older adults, but can occur at any age. People with a family history of glaucoma, African or Caribbean heritage, and those with certain medical conditions (like diabetes) are at higher risk.
Glaucoma is diagnosed through a series of eye tests. Your eye doctor will check the pressure inside your eye, examine the drainage angle, look at the optic nerve, and test your side vision.
Treatment for glaucoma aims to lower eye pressure to prevent optic nerve damage. Options include eye drops, laser procedures, and surgery. Surgery is usually considered when other treatments haven't controlled the pressure.
Doctors often start with eye drops that help reduce the amount of fluid your eye makes or help it drain better. If drops aren't enough, a laser treatment (such as selective laser trabeculoplasty) may be used to improve drainage. For more advanced cases, surgery like trabeculectomy or a drainage implant may be recommended. The specific treatment plan is tailored to your eye condition and overall health.
After glaucoma surgery, you may need to take it easy for a few weeks. Your doctor will give specific instructions about activities like bending, lifting, and swimming. You will likely need to use antibiotic and anti-inflammatory eye drops for a while. Most people return to normal activities within a month.
A healthy diet rich in fruits and vegetables may support overall eye health. Regular, moderate exercise like walking or swimming can help lower eye pressure, but check with your surgeon before resuming intense workouts. Avoid exercises that involve inversion (like yoga headstands) or heavy lifting.
Living with glaucoma and facing surgery can cause anxiety or worry about vision loss. It's normal to feel stressed. Talk to your eye care team about your concerns. Many people find that staying involved in hobbies and social activities helps them cope.
Glaucoma itself cannot be prevented, but early detection and treatment can prevent severe vision loss. Regular eye exams are the most important step.
Routine eye exams are recommended every 1–2 years for adults over 40. People with risk factors (such as family history or African heritage) should start earlier. The exam includes pressure checks, optic nerve examination, and visual field testing if needed.
With timely treatment, most people with glaucoma can preserve useful vision for life. Surgery is highly effective at lowering eye pressure and slowing progression. Even if some vision is lost, the remaining sight can often be stabilized. Ongoing care and monitoring are essential for the best outcome.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
The tests are painless and do not require any preparation. You may have eye drops to dilate (widen) your pupils. The whole appointment usually takes about an hour. You will be able to discuss results and next steps with your doctor.
Surgery is usually recommended when eye drops and laser treatments have not lowered the eye pressure enough to prevent further nerve damage, or when side effects from medications are too bothersome. Your eye surgeon will discuss the best type of surgery for your situation.