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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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.
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Related Experiment Video

Updated: Aug 4, 2025

Author Spotlight: A Novel Protocol for Intracameral Injections to Enhance Precision in Rodent Ophthalmology
06:19

Author Spotlight: A Novel Protocol for Intracameral Injections to Enhance Precision in Rodent Ophthalmology

Published on: May 31, 2024

903

Survey of Intravitreal Injection Practice Patterns Among Retina Specialists.

Thérèse M Sassalos1, Nish Patel1, Chris Andrews1

  • 1Department of Ophthalmology and Visual Sciences, W.K. Kellogg Eye Center, University of Michigan, Ann Arbor, MI, USA.

Journal of Vitreoretinal Diseases
|April 3, 2023
PubMed
Summary
This summary is machine-generated.

Current trends in intravitreal injection therapy (IVT) reveal high use of povidone-iodine and small needles. However, anesthesia varies, and povidone-iodine may cause corneal toxicity, indicating a need for safer IVT practices.

Keywords:
injectionintravitrealpatternspracticerespondentsretinaspecialistssurveytechnique

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Area of Science:

  • Ophthalmology
  • Retina Surgery
  • Medical Procedures

Background:

  • Intravitreal injection therapy (IVT) is the most common procedure in ophthalmology.
  • Understanding current IVT delivery trends is crucial for improving patient outcomes and safety.

Purpose of the Study:

  • To determine current trends in intravitreal injection therapy (IVT) delivery techniques among retina specialists.

Main Methods:

  • An online survey with 31 multiple-choice questions was distributed to 1677 retina specialists.
  • The survey covered general aspects, procedure technique, and postprocedure technique of IVT.

Main Results:

  • 264 retina specialists completed the survey.
  • Povidone-iodine (100%) and small-gauge needles (97%) were commonly used.
  • Ocular anesthesia methods varied significantly, and over 85% acknowledged povidone-iodine's potential corneal toxicity.

Conclusions:

  • Optimizing ocular anesthesia, developing guarded needles, and creating less toxic ocular antiseptics are key areas for IVT improvement.
  • Addressing these areas can enhance the safety and efficacy of intravitreal injections.