Related Experiment Video
Updated: May 23, 2026
05:05
Ultrasound Cyclo Plasty in Eyes with Glaucoma
Published on: January 26, 2018
Imaging of glaucoma drainage devices.
Michael Reiter1, Ryan Schwope, Kyle Walker
1Department of Radiology, Brooke Army Medical Center, San Antonio, TX 78234, USA. michael.reiter1@us.army.mil
Journal of Computer Assisted Tomography
|March 27, 2012
Summary
Glaucoma drainage devices (GDDs) are increasingly used as a primary treatment. Radiologists need to recognize their imaging appearance, as only one type is radiopaque, aiding diagnosis and management.
Area of Science:
- Ophthalmology
- Radiology
- Medical Devices
Background:
- Glaucoma drainage devices (GDDs) were historically for refractory glaucoma.
- GDDs are now a more common primary treatment for glaucoma.
- Understanding GDDs is crucial for accurate radiologic interpretation.
Observation:
- This case involves bilateral glaucoma drainage devices.
- Only one type of GDD is radiopaque.
- Radiologists must be familiar with GDD imaging characteristics.
Findings:
- The study highlights the importance of recognizing GDDs on imaging.
- Familiarity with GDDs aids in differentiating them from other surgical implants.
- Radiopaque GDDs offer a distinct imaging signature.
Implications:
- Enhanced radiologist knowledge of GDDs improves patient care.
- Accurate identification of GDDs on imaging is vital for surgical planning and complication assessment.
- This knowledge supports the expanding use of GDDs in glaucoma management.
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...