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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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...
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Glaucoma: Overview01:25

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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: Treatment01:28

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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: Aug 12, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
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Vision rehabilitation in glaucoma patients.

Angell Shi1, Sarwat Salim

  • 1New England Eye Center, Tufts University School of Medicine, Boston, Massachusetts, USA.

Current Opinion in Ophthalmology
|January 31, 2023
PubMed
Summary

Vision rehabilitation services can significantly improve reading and driving for glaucoma patients, enhancing their quality of life. Addressing barriers and integrating these services into routine eye care is crucial for comprehensive patient management.

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Area of Science:

  • Ophthalmology
  • Low Vision Research
  • Rehabilitation Science

Background:

  • Glaucoma significantly impacts daily activities like reading and driving, affecting patients' quality of life and independence.
  • Underutilization of vision rehabilitation services is a critical issue for individuals with glaucoma.
  • Ophthalmologists often prioritize disease monitoring over addressing the functional vision loss experienced by patients.

Approach:

  • This review synthesizes current knowledge on low vision in glaucoma.
  • It identifies barriers hindering access to vision rehabilitation services.
  • Strategies and interventions to optimize visual function and quality of life are outlined.

Key Points:

  • Glaucoma is a leading cause of low vision, impacting visual acuity, visual field, and contrast sensitivity.
  • Low vision services and interventions are effective in maximizing visual function and improving patient quality of life.
  • Barriers to vision rehabilitation exist at multiple levels, necessitating increased awareness and integration into ophthalmic care.

Conclusions:

  • Vision rehabilitation services are essential for glaucoma patients, particularly for reading and driving.
  • Addressing the functional impact of glaucoma is as important as monitoring disease progression.
  • Integrating low vision services into routine ophthalmic care is vital for comprehensive patient management.