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Related Concept Videos

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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Types of Reports III: Telephone and Verbal Reports01:26

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Open Angle Glaucoma: Treatment01:27

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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.
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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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Rate laws describe the relationship between the rate of a chemical reaction and the concentration of its reactants. In a rate law, the rate constant k and the reaction orders are determined experimentally by observing how the rate of reaction changes as the concentrations of the reactants are changed. A common experimental approach to the determination of rate laws is the method of initial rates. This method involves measuring reaction rates for multiple experimental trials carried out using...
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The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
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Ultrasound Cyclo Plasty in Eyes with Glaucoma
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Mobile Telephone Use and Reaction Time in Drivers With Glaucoma.

Nara G Ogata1,2, Fábio B Daga1, Alessandro A Jammal1

  • 1Visual Performance Laboratory, Duke Eye Center, Department of Ophthalmology, Duke University, Durham, North Carolina.

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|April 13, 2019
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Summary
This summary is machine-generated.

Patients with glaucoma and healthy individuals use mobile phones while driving at similar rates. However, glaucoma patients experience a greater performance decline, increasing driving risks.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Human Factors

Background:

  • Distracted driving, particularly mobile phone use, impairs driving performance due to attention limitations.
  • Glaucoma, a condition affecting optic nerves, may exacerbate attention deficits.

Purpose of the Study:

  • To determine mobile phone use frequency while driving in glaucoma patients versus controls.
  • To assess if glaucoma patients exhibit a disproportionate driving performance decrease when using mobile phones.

Main Methods:

  • Cross-sectional study involving 112 glaucoma patients and 70 controls.
  • Surveys on mobile phone use while driving and a driving simulator test assessing peripheral event detection.
  • Comparison of reaction times during distracted versus non-distracted driving.

Main Results:

  • Similar self-reported mobile phone use rates while driving between glaucoma patients and controls.
  • Significantly longer reaction times to peripheral stimuli in glaucoma patients during mobile phone use.
  • A greater increase in reaction time for glaucoma patients compared to controls when using a mobile phone while driving.

Conclusions:

  • Glaucoma patients do not use mobile phones while driving more frequently than healthy individuals.
  • Glaucoma patients experience a more significant decline in peripheral event detection while driving and using a mobile phone.
  • Glaucoma patients face elevated driving risks due to mobile phone distractions.