Related Experiment Video
Updated: Feb 3, 2026

05:05
Ultrasound Cyclo Plasty in Eyes with Glaucoma
Published on: January 26, 2018
12.7K
Waste generated during glaucoma surgery: A comparison of two global facilities
Sathvik Namburar1, Manju Pillai2, George Varghese2
1Johns Hopkins University, Baltimore, MD, USA.
American Journal of Ophthalmology Case Reports
|October 27, 2018
Summary
Glaucoma surgery waste was significantly lower in India than in the US. This study suggests potential policy changes in the US could reduce surgical waste without impacting patient safety.
Area of Science:
- Ophthalmology
- Healthcare Waste Management
- Surgical Outcomes
Background:
- Healthcare waste is a growing environmental concern.
- Reducing surgical waste is crucial for sustainable healthcare practices.
Purpose of the Study:
- To compare surgical waste generated from glaucoma surgeries in India and the United States.
- To identify potential areas for waste reduction in US surgical practices.
Main Methods:
- Waste from glaucoma surgeries was measured at Aravind Eye Hospital, India.
- Waste data from a US community hospital's glaucoma surgical clinic was collected for comparison.
- Waste was quantified per procedure, including trabeculectomy and device surgeries.
Main Results:
- Average waste per trabeculectomy was 0.5 ± 0.2 kg in India versus 1.4 ± 0.4 kg in the US (p < 0.05).
- Waste from device surgeries and trabeculectomy with phacoemulsification was also lower in India.
- Complication rates were comparable between the two facilities.
Conclusions:
- Glaucoma surgeries in India generate significantly less waste than in the US.
- Policy and legal adjustments in the US could potentially decrease surgical waste.
- Waste reduction strategies can be implemented without adversely affecting surgical complication rates.
Related Concept Videos
Global Climate Change
28.9K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.9K
Glaucoma: Overview
1.4K
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...
1.4K
Open Angle Glaucoma: Treatment
997
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...
997
The Sense of Self: Reflected Self-Appraisal and Social Comparison
56.1K
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
56.1K
Angle Closure Glaucoma: Treatment
1.3K
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...
1.3K
Introduction to Global Positioning System
518
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
518

