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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.
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Related Experiment Video

Updated: Jun 22, 2026

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

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Published on: April 14, 2026

[Surgical solution to vitreous floaters visual problem].

F Martínez-Sanz1, J I Velarde, P Casuso

  • 1Instituto Cántabro de Oftalmología, Santander, Spain. oftmsf@humv.es

Archivos De La Sociedad Espanola De Oftalmologia
|May 26, 2009
PubMed
Summary

25-gauge pars plana vitrectomy (25G-PPV) is a safe and effective treatment for bothersome vitreous floaters in select patients, offering improved visual function and high satisfaction rates.

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Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Patient-Reported Outcomes

Background:

  • Vitreous floaters can significantly impact vision and quality of life.
  • Current treatment options for severe vitreous floaters are limited.
  • The ethical considerations of surgical intervention for floaters are debated.

Purpose of the Study:

  • To evaluate the efficacy and safety of 25-gauge pars plana vitrectomy (25G-PPV) for treating visually significant vitreous floaters.
  • To assess the patient-reported outcomes and quality of life following 25G-PPV.
  • To determine if 25G-PPV is an ethically justifiable therapeutic option for this condition.

Main Methods:

  • Retrospective analysis of eight eyes in seven patients (high myopes, pseudophakes) who underwent 25G-PPV.
  • Follow-up duration of six to twelve months.
  • Assessment of visual acuity and use of the National Eye Institute Visual Functioning Questionnaire (NEI VFQ-39) for quality of life.

Main Results:

  • No intraoperative or postoperative complications were reported.
  • Patient satisfaction was universal.
  • 100% safety at three months post-surgery.
  • 37.5% of patients experienced an improvement of one or more lines in visual acuity.

Conclusions:

  • 25G-PPV is a safe and effective surgical option for managing bothersome vitreous floaters in carefully selected patients.
  • The procedure offers advantages such as rapid recovery and minimal complications, particularly in pseudophakic eyes.
  • Ophthalmologists should consider vitrectomy for floaters that are significantly impacting a patient's quality of life.