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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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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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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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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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Related Experiment Video

Updated: Oct 2, 2025

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
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Visual function tests for glaucoma practice - What is relevant?

Aparna Rao1, Debananda Padhy1, Anindita Pal1

  • 1Department of Glaucoma Services, L. V. Prasad Eye Institute, Bhubaneswar, Odisha, India.

Indian Journal of Ophthalmology
|February 28, 2022
PubMed
Summary
This summary is machine-generated.

This review covers key visual function tests for glaucoma management. It highlights clinically relevant methods for diagnosing and monitoring this common cause of irreversible vision loss.

Keywords:
Contrastfunctional visual acuityglaucomapsychophysical testsvisual function

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Optometry

Background:

  • Glaucoma is a leading cause of irreversible vision loss and ganglion cell death.
  • It significantly impacts the elderly population, contributing to visual impairment and morbidity.
  • Accurate visual function testing is crucial for glaucoma diagnosis and management.

Purpose of the Study:

  • To review commonly used visual function tests in clinical glaucoma practice.
  • To highlight the most clinically relevant tests for routine glaucoma management.
  • To provide an overview of diagnostic and monitoring tools for visual function in glaucoma.

Main Methods:

  • Literature review of visual function tests in glaucoma.
  • Focus on tests applicable to routine clinical settings.
  • Analysis of diagnostic and monitoring utility of various visual function tests.

Main Results:

  • Visual field testing remains the gold standard for glaucoma screening, diagnosis, and progression monitoring.
  • Several other visual function tests offer valuable insights for glaucoma management.
  • The review identifies tests with high clinical relevance for daily practice.

Conclusions:

  • Effective glaucoma management relies on a comprehensive understanding of visual function tests.
  • Clinically relevant tests aid in early detection and tracking of disease progression.
  • Routine use of appropriate visual function tests improves patient outcomes in glaucoma care.