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Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
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Related Experiment Video

Updated: Mar 3, 2026

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
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Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

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Considerations for refractive surgery in the glaucoma patient.

Meleha Ahmad1, Isaac Chocron, Anurag Shrivastava

  • 1Department of Ophthalmology, Glaucoma Service Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York, USA.

Current Opinion in Ophthalmology
|April 27, 2017
PubMed
Summary

Refractive surgery can be safe for many glaucoma patients with proper management. Advances in diagnostics enable earlier detection and intervention for glaucomatous disease, improving patient outcomes.

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Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Glaucoma Management

Background:

  • Increasing demand for keratorefractive surgery necessitates updated protocols for aging patients.
  • Managing glaucoma patients undergoing refractive surgery presents unique diagnostic and treatment challenges.

Purpose of the Study:

  • To review current literature on managing glaucoma patients undergoing or having had laser ablative refractive surgery.
  • To discuss preoperative, intraoperative, and postoperative considerations for refractive surgery in glaucoma patients.

Main Methods:

  • Literature review of current management protocols.
  • Analysis of diagnostic and management challenges in glaucoma patients.

Main Results:

  • Intraoperative intraocular pressure (IOP) rise during flap creation has low acute complication risk and no significant long-term effects.
  • Modern technologies improve accurate IOP determination post-refractive surgery.
  • Advances in structural imaging facilitate earlier detection of glaucomatous nerve damage.

Conclusions:

  • Glaucoma is a relative contraindication but refractive surgery can be safe with proper perioperative management.
  • Diagnostic advancements allow earlier glaucoma detection and intervention.
  • Standardized algorithms and rigorous assessment are crucial for safe management.