Angle Closure Glaucoma and anatomically Narrow Angles

Angle Closure glaucoma occurs when the iris is pushed forward causing drainage of fluid from the eye to be blocked. When the drainage angle gets completely blocked, eye pressure rises very quickly. This is called an acute angle closure attack. Acute Angle Closure is an eye emergency, and needs to be attended to by an ophthalmologist right away or it may lead to blindness.

Anatomically narrow angles is a finding based on the anatomy of a person’s eye. This status may predispose to an acute angle closure attack, so when identified, preventative treatment may be warranted.


For Acute Angle-Closure Glaucoma, the effects are sudden and can appear in one or both eyes.

  • Sudden blurred vision
  • Eye Redness
  • Halos around lights and light sensitivity
  • Dilated pupil
  • Eye pain
  • Headache
  • Nausea and vomiting


LPI - Laser Peripheral Iridotomy

Laser Peripheral Iridotomy is a procedure that is used to treat Narrow angle or Angle Closure Glaucoma by creating a hole in the iris with laser energy. This opening allows the fluid to move appropriately within the eye.

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