Overview

Occurs when the iris blocks the drainage angle. Acute angle-closure is a medical emergency.

Causes & Risk Factors

  • Anatomically narrow drainage angles
  • Pupil dilation
  • Age-related lens thickening

Symptoms

  • Severe eye pain
  • Headache
  • Nausea
  • Blurred vision
  • Halos around lights

Diagnosis

  • Gonioscopy
  • Anterior segment OCT
  • Tonometry

Treatment Options

  • Laser peripheral iridotomy
  • Medications
  • Lens extraction

When to Seek Care

Seek immediate care for sudden eye pain with vision changes.