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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.
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Related Experiment Video

Updated: Jun 4, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis
03:59

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Near Fixation-Associated Intraocular Pressure Reduction in Intermittent Exotropia: Postoperative Changes After

Takafumi Suzuki1,2, Takao Fukutome1, Chisato Otaki1

  • 1Department of Ophthalmology, Shinseikai Toyama Hospital, Imizu, Toyama, Japan.

Clinical Ophthalmology (Auckland, N.Z.)
|June 3, 2026
PubMed
Summary
This summary is machine-generated.

Intermittent exotropia (X(T)) patients showed reduced intraocular pressure (IOP) with near focus, an effect diminished after strabismus surgery. This suggests ocular alignment and accommodation influence IOP dynamics.

Keywords:
accommodationintermittent exotropiaintraocular pressurestrabismus surgery

Related Experiment Videos

Last Updated: Jun 4, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis
03:59

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Area of Science:

  • Ophthalmology
  • Neuroscience
  • Physiology

Background:

  • Intermittent exotropia (X(T)) is a common strabismus condition affecting binocular vision.
  • Accommodation, the eye's ability to focus on near objects, is linked to changes in intraocular pressure (IOP).
  • The relationship between accommodative effort, ocular alignment, and IOP in X(T) requires further elucidation.

Purpose of the Study:

  • To investigate intraocular pressure (IOP) changes associated with accommodation in patients with intermittent exotropia (X(T)).
  • To evaluate the impact of strabismus surgery on these IOP dynamics.
  • To explore correlations between IOP variations, patient age, and angle of deviation (AOD) changes.

Main Methods:

  • Retrospective analysis of 31 patients with X(T) undergoing strabismus surgery.
  • Intraocular pressure (IOP) measured using a rebound tonometer (iCare) under distance and near viewing conditions (binocular and monocular).
  • Correlations assessed between IOP changes, age, and change in angle of deviation (AOD) from distance to near.

Main Results:

  • Near viewing significantly reduced IOP compared to distance viewing in patients with X(T).
  • The decrease in IOP during near viewing (Δd-nIOP) correlated with patient age and the increase in AOD from distance to near.
  • Post-strabismus surgery, the difference between distance and near IOP measurements was no longer significant.

Conclusions:

  • In X(T) patients, near fixation induces a significant IOP reduction, particularly when the angle of deviation is greater at near.
  • Strabismus surgery diminishes the IOP-lowering effect associated with near fixation.
  • Ocular alignment and accommodative demand appear to interact and influence IOP, warranting further investigation.