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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

1.3K
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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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...
963
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

1.2K
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...
1.2K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

8.8K
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,...
8.8K

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Related Experiment Video

Updated: Jan 17, 2026

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
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Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

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The Effect of Glaucomatous Visual Field Defects on Driving: A Systematic Review.

Zhi Hong Toh1, Serene Yi Ning Koh2, Wei Yun Lily Yang3

  • 1National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore.

Journal of Glaucoma
|September 17, 2025
PubMed
Summary

Glaucoma patients with significant visual field defects experience impaired driving performance and increased collision risks. Severe vision loss often leads to driving limitations and cessation, impacting daily life.

Keywords:
drivingdriving guidelinesdriving rehabilitationglaucomaquality of lifevisual field defect

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Related Experiment Videos

Last Updated: Jan 17, 2026

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Traffic Safety

Background:

  • Glaucoma is a progressive optic neuropathy causing visual field (VF) defects.
  • VF loss significantly impacts daily activities, including driving.
  • Understanding driving performance in glaucoma is crucial for patient safety.

Conclusions:

  • Severe glaucomatous VF defects and bilateral glaucoma significantly worsen driving performance.
  • These factors are associated with a higher risk of motor vehicle collisions in both simulated and real-world driving.
  • Glaucoma patients with significant VF loss face greater challenges in maintaining safe driving.