Angle-Closure Glaucoma

Rapid-Onset Vision Threat Requiring Urgent Care from Glaucoma Experts in Austin, Kyle, Killeen & New Braunfels

Angle-Closure Glaucoma is a serious and potentially sight-threatening eye condition that occurs when the eye’s drainage angle suddenly becomes blocked. Unlike Primary Open-Angle Glaucoma, which progresses slowly, this form develops quickly and is considered a true ophthalmic emergency.

At Westlake Eye Specialists, our Harvard-trained glaucoma expert, Dr. Zarmeena Vendal, MD, leads our team in offering immediate diagnosis, intervention, and long-term management for angle-closure glaucoma at our locations in Austin, Kyle, Killeen, and New Braunfels.

If you are at risk or experiencing symptoms, prompt treatment is critical to protect your vision.

What Is Angle-Closure Glaucoma?

Angle-Closure Glaucoma (also called narrow-angle or acute angle-closure glaucoma) happens when the fluid drainage pathway between the cornea and iris becomes suddenly blocked, increasing intraocular pressure (IOP) to dangerously high levels.

This rapid rise in eye pressure can damage the optic nerve in a matter of hours, resulting in permanent vision loss if not treated immediately. Some patients experience this as a sudden “attack,” while others may develop it gradually as chronic angle-closure glaucoma.

Early diagnosis and careful monitoring from a trusted Austin glaucoma specialist like Dr. Vendal can prevent serious damage.

Glaucoma Pressure

Causes and Risk Factors

Angle-closure glaucoma is typically caused by anatomical narrowing of the drainage angle. When the iris is pushed or pulled forward, it can cover the trabecular meshwork and block fluid outflow.

You may be at increased risk if you:

  • Are over the age of 50
  • Are female (more common in women)
  • Are of Asian or Inuit descent
  • Have farsightedness (hyperopia)
  • Have a family history of angle-closure glaucoma
  • Use certain medications (e.g., decongestants, antidepressants)
  • Have a smaller-than-average eye or shallow anterior chamber


Routine eye exams at Westlake Eye Specialists can determine if you have narrow angles before symptoms begin, especially if you live in or near Austin, Kyle, Killeen, or New Braunfels.

Senior Headache

Symptoms of an Angle-Closure Glaucoma Attack

When the angle closes suddenly, it results in an acute attack. Symptoms may include:

  • Severe eye pain
  • Blurred or cloudy vision
  • Headache
  • Nausea and vomiting
  • Halos or rainbow-colored rings around lights
  • Red eyes
  • Sudden loss of vision


If you experience these symptoms, go to the emergency room or call us immediately. Delaying treatment could lead to permanent blindness.

Diagnosing Angle-Closure Glaucoma

At Westlake Eye Specialists, Dr. Vendal and her team use advanced tools to accurately assess your risk for or diagnose angle-closure glaucoma:

  • Gonioscopy – Directly visualizes the drainage angle
  • Anterior Segment OCT – Provides cross-sectional imaging of the eye’s structures
  • Tonometry – Measures intraocular pressure
  • Pachymetry – Assesses corneal thickness
  • Visual Field Testing – Detects early vision loss


These tests are performed across our offices in Austin, Kyle, Killeen, and New Braunfels so we can act quickly to preserve your sight.

Treatment for Angle-Closure Glaucoma

The goal of treatment is to reduce eye pressure, relieve symptoms, and prevent future attacks.

Emergency Treatment (Acute Attack)

  • IOP-lowering medications – Oral or intravenous
  • Laser Iridotomy – A laser creates a small hole in the iris to restore fluid flow
  • Anti-inflammatory and pain medications
  • Possible surgery if damage is extensive

 

Long-Term Management

Once the acute crisis is controlled, long-term strategies may include:

  • Laser Peripheral Iridotomy (LPI) – Often performed in both eyes to prevent future episodes
  • Cataract Surgery – May deepen the anterior chamber and improve fluid outflow
  • Minimally Invasive Glaucoma Surgery (MIGS) – Such as the OMNI Surgical System », Hydrus Microstent », or iStent Inject »


Dr. Zarmeena Vendal will tailor your care plan to your eye anatomy, health history, and goals, combining her Harvard training with state-of-the-art technology.

Why Trust Westlake Eye Specialists for Angle-Closure Glaucoma?

  • Expertise from Zarmeena Vendal, MD, Harvard-trained glaucoma surgeon
  • Same-day or emergency appointments for acute attacks
  • On-site surgical options
  • Accessible locations in Austin, Kyle, Killeen, and New Braunfels
  • Unmatched support and education for patients and families


Whether you’re having an acute attack or have been told you’re at risk for narrow angles, our team is here to guide you every step of the way.

Schedule a Glaucoma Screening Today

If you are over 50, farsighted, or have a family history of glaucoma, you may be at risk for angle-closure glaucoma—even without symptoms. Don’t wait.

Call today or schedule your visit online to meet with Dr. Zarmeena Vendal, your trusted glaucoma specialist in Austin, Kyle, Killeen, and New Braunfels.

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