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[Acute angle closure and angle closure glaucoma: Phacoemulsification as first-line treatment]
1Centre d'ophtalmologie du Trocadéro, Paris, Service d'ophtalmologie, Hôpital Saint Joseph, 185, Raymond Losserand, 75674 Paris cedex 14, France. ylachkar@hpsj.fr
Journal Francais D'Ophtalmologie
|March 30, 2010
Summary
Angle closure glaucoma, a condition often mimicking open-angle glaucoma, results from lens thickening narrowing the iridocorneal angle. Lens extraction is the recommended treatment for this optic neuropathy.
Area of Science:
- Ophthalmology
- Glaucoma Research
- Anatomic Pathology
Context:
- Angle closure glaucoma presents with optic neuropathy and visual field defects.
- It can be asymptomatic (white, painless eye) or acute (red, painful eye with high intraocular pressure).
- Both forms stem from the natural lens thickening with age, leading to iridocorneal angle closure.
Purpose:
- To highlight the role of lens thickening in angle closure glaucoma.
- To advocate for lens extraction as a primary treatment.
- To discuss the efficacy of modern lens extraction techniques.
Summary:
- Angle closure glaucoma involves optic nerve damage and visual field loss due to a narrow or closed iridocorneal angle.
- The primary cause is age-related thickening of the natural lens, which obstructs aqueous humor outflow.
- Lens extraction is presented as the most rational and increasingly viable surgical solution.
Impact:
- Increased consideration of lens extraction for angle closure glaucoma.
- Improved patient outcomes through timely surgical intervention.
- Potential reduction in glaucoma-related vision loss.
Related Concept Videos
01:28Angle Closure Glaucoma: Treatment
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...
01:27Open Angle Glaucoma: Treatment
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.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:25Glaucoma: Overview
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...