Related Experiment Video
Updated: May 8, 2026
10:10
Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
Published on: February 15, 2022
Ahmed glaucoma valve in children: A review
Nariman Nassiri1, Kouros Nouri-Mahdavi, Anne L Coleman
1Glaucoma Division, Jules Stein Eye Institute, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, United States.
Summary
Pediatric glaucoma management often requires long-term solutions. Ahmed glaucoma valve implantation offers sustained intraocular pressure (IOP) control for over five years, though medication and potential complications are considerations.
Area of Science:
- Ophthalmology
- Pediatric Surgery
Background:
- Pediatric glaucoma is a serious condition that can lead to blindness.
- While goniotomy and trabeculotomy show early success, 20% fail long-term, necessitating further interventions.
- Effective long-term intraocular pressure (IOP) control is crucial for preserving vision in children.
Purpose of the Study:
- To review the efficacy and long-term outcomes of Ahmed glaucoma valve (AGV) implantation in pediatric glaucoma patients.
- To assess the duration of IOP control and the need for adjunctive therapies post-AGV surgery.
- To identify potential complications associated with AGV implantation in pediatric eyes.
Main Methods:
- Literature review of studies reporting on Ahmed glaucoma valve implantation for pediatric glaucoma.
- Analysis of data regarding IOP control, surgical success rates, and complication profiles.
- Evaluation of the long-term effectiveness and need for glaucoma medications after implantation.
Main Results:
- Ahmed glaucoma valve implantation can achieve adequate IOP control lasting five or more years in pediatric glaucoma patients.
- Despite successful implantation, the majority of patients require glaucoma medications post-surgery.
- Complications such as pupillary irregularities, cataracts, and tube issues can occur, especially within the first year.
Conclusions:
- Ahmed glaucoma valve is a viable option for long-term IOP management in pediatric glaucoma.
- Ongoing monitoring and potential medical management are necessary after valve implantation.
- Careful consideration of potential complications is vital, particularly in younger children with developing ocular structures.
Related Concept Videos
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...
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...