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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...
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Updated: Aug 24, 2025

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
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[On refraction shift after trabeculectomy].

A V Volzhanin1, S Yu Petrov1, D M Safonova1

  • 1Research Institute of Eye Diseases, Moscow, Russia.

Vestnik Oftalmologii
|October 26, 2022
PubMed
Summary
This summary is machine-generated.

Trabeculectomy can cause refractive shifts, primarily spherical, linked to axial length and anterior chamber depth changes. Intraocular pressure reduction significantly influences axial length, a key factor in post-surgical refraction changes.

Keywords:
astigmatismglaucomarefractiontrabeculectomy

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Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Glaucoma Surgery

Context:

  • Trabeculectomy is a common surgical procedure for glaucoma.
  • Refractive shifts post-surgery can impact visual outcomes.
  • Understanding these shifts is crucial for patient management.

Purpose:

  • To identify factors influencing refractive changes after trabeculectomy.
  • To analyze correlations between ocular parameters and refractive shifts.

Summary:

  • Post-trabeculectomy spherical refractive shifts correlate negatively with axial length (AL) and anterior chamber depth (ACD).
  • Axial length changes are dependent on intraocular pressure (IOP) reduction, a significant factor in refraction shifts.
  • Astigmatism changes did not show significant correlations with measured parameters.

Impact:

  • Provides insights into the biomechanical and biometric factors affecting refractive outcomes after trabeculectomy.
  • Highlights the critical role of IOP reduction and AL changes in post-surgical refraction.
  • Informs clinical expectations and management strategies for patients undergoing trabeculectomy.