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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open 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...
Angle Closure Glaucoma: Treatment01:28

Angle 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...
Glaucoma: Overview01:25

Glaucoma: 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...

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Related Experiment Video

Updated: Jul 15, 2026

Implantation Protocol of the Foldable Capsular Vitreous Body for Complex Vitreoretinal Surgery
04:36

Implantation Protocol of the Foldable Capsular Vitreous Body for Complex Vitreoretinal Surgery

Published on: April 14, 2026

Outcomes following 25-gauge vitrectomies.

L J Faia1, C A McCannel, J S Pulido

  • 1Department of Ophthalmology, Mayo Clinic, Rochester, MN, USA.

Eye (London, England)
|April 28, 2007
PubMed
Summary

Twenty-five gauge vitrectomy surgery significantly improves vision within 3 months. However, cataract formation remains a notable complication requiring consideration after this minimally invasive procedure.

Related Experiment Videos

Last Updated: Jul 15, 2026

Implantation Protocol of the Foldable Capsular Vitreous Body for Complex Vitreoretinal Surgery
04:36

Implantation Protocol of the Foldable Capsular Vitreous Body for Complex Vitreoretinal Surgery

Published on: April 14, 2026

Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Retinal Surgery

Background:

  • Twenty-five gauge vitrectomy offers potential benefits over traditional 20-gauge procedures.
  • Post-operative complications, particularly cataract formation, require thorough evaluation.

Purpose of the Study:

  • To quantify the short- and long-term outcomes of 25-gauge vitrectomy surgery.
  • To assess the incidence of complications, specifically cataract development, following 25-gauge vitrectomies.

Main Methods:

  • Retrospective, consecutive case series of 71 patients undergoing 25-gauge vitrectomy.
  • Data collected between January 2002 and August 2004 with a minimum 3-month follow-up.
  • Statistical analysis included t-tests and Kaplan-Meier curves.

Main Results:

  • Significant improvement in mean visual acuity from 20/100 pre-operatively to 20/60 at 3 months (P<0.0001).
  • Kaplan-Meier analysis indicated that 63.4% of eyes required cataract extraction within 1 year.
  • Mean follow-up duration was 8.6 months.

Conclusions:

  • 25-gauge vitrectomy leads to statistically significant visual acuity improvement by 3 months.
  • Cataract formation is a significant long-term consideration following 25-gauge vitrectomy.