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Related Experiment Video

Updated: Jun 19, 2026

Modeling Cataract Surgery in Mice
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Modeling Cataract Surgery in Mice

Published on: December 1, 2023

Comparing Global Operating Room Waste Generated From Cataract, Corneal, and Conjunctival Surgeries.

Aashri I Aggarwal1, Maria A Henriquez2, Enrica Sarnicola3

  • 1Department of Ophthalmology, Eastern Virginia Medical School, Norfolk, VA.

Cornea
|June 18, 2026
PubMed
Summary

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Ophthalmic surgical waste varies significantly worldwide. Lower waste generation in surgeries like cataract and corneal procedures did not increase adverse outcomes, suggesting opportunities for sustainable practices.

Area of Science:

  • Ophthalmology
  • Environmental Sustainability
  • Surgical Waste Management

Background:

  • Ophthalmology generates substantial surgical waste globally.
  • Environmental sustainability is a growing concern in healthcare.
  • Variability in waste management practices exists across different countries and surgical types.

Purpose of the Study:

  • To compare waste generated from corneal, conjunctival, and cataract surgeries across nine countries.
  • To assess the environmental sustainability of ophthalmic surgical practices globally.
  • To identify potential areas for reducing surgical waste in ophthalmology.

Main Methods:

  • Prospective, multicenter observational study in 9 countries.
  • Collected surgical waste data from corneal (DALK, DMEK, DSAEK, PK), conjunctival (pterygium), and cataract surgeries.
Keywords:
cataract surgeryconjunctival surgerycorneal surgerysurgical wastesustainability

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  • Standardized waste segregation and weighing protocols were followed; data analyzed using Kruskal-Wallis test.

    • Main Results:

    • 428 surgeries evaluated, with significant intercountry differences in waste generation.
    • India reported the least waste for most procedures; Peru and the US reported the highest for specific surgeries.
    • Lower waste countries utilized fewer disposable and more reusable instruments, with no increase in adverse outcomes.

    Conclusions:

    • Substantial global variability exists in ophthalmic surgical waste.
    • Lower waste generation is not linked to increased adverse outcomes, supporting sustainable practices.
    • Findings suggest opportunities to reduce single-use items and enhance environmental sustainability in ophthalmic surgery.