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  • Q&A with Australian Health Practitioners

    What is narrow angle glaucoma?

  • Find a professional to answer your question

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    Glaucoma Australia is the peak glaucoma awareness/education/support association in Australia.It is a national, not-for-profit registered charity dedicated to providing educational services to raise awareness about ... View Profile

    Narrow angle or angle closure glaucoma is when the drainage angle for fluid to get out of the eye is narrow, making it difficult for fluid to exit the eye. Because fluid is constantly produced by the eye and there is difficulty for fluid to get out of the eye, the pressure inside the eye goes up. If the drainage angle closes completely and rapidly, the pressure inside the eye can be greatly elevated causing pain (acute angle closure).

  • 1


    Assoc Prof Diane Webster

    Ophthalmologist (Eye Specialist)

    Dr Diane Webster is an ophthalmologist who attends the Royal Victorian Eye and Ear Hospital. View Profile

    Narrow angle glaucoma occurs when the angle of the anterior ( front) chamber of the eye becomes very narrow and the aqueous fluid in the eye has difficulty exiting the eye through the normal drainage passages. If these drainage passages become blocked then fluid builds up in the eye suddenly and the pressure inside the eye also rises suddenly. The increased pressure can cause damage to the optic nerve over a very short period of time ( hours) and the visual field ( side vision) can be lost. If the narrow angle glaucoma ( also known as acute angle closure glaucoma) is not treated promptly the damage to the optic nerve can be permanent. If a person has been identified by their optometrist or ophthalmologist as having narrow angles they may be offered a preventative treatment known as laser iridotomy. This laser treatment is performed by an ophthalmologist and in susceptable people acute angle closure glaucoma can be averted.

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