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How does laser iridotomy help treat closed-angle glaucoma?

Laura C. Fine, MD
Ophthalmology
Glaucoma is a group of eye diseases that cause vision loss through damage to the optic nerve. For treating closed-angle glaucoma, the doctor may suggest laser iridotomy even before prescribing medication. Using a laser, the surgeon creates a small opening in the outer edge of the iris (colored part of the eye) to improve drainage of the aqueous humor (watery fluid that nourishes the eye) from the posterior chamber to the anterior chamber. Laser iridotomy often cures closed-angle glaucoma, making drug treatment unnecessary. In certain cases, however, topical medication or conventional surgery may be warranted.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.