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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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...
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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, whereas...

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Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

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[Fitness to drive with glaucoma].

Die Ophthalmologie·2023
Same author

[Cut-off filter : Physical and physiological basics].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2018
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[Edge filters : Medical indications and clinical application].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2018
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[Electronic vision aids : New options for rehabilitation of the visually impaired].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2018
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[Closed-circuit television systems : Current importance and tips on adaptation and prescription].

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[Provision of aids to visually impaired people at the workplace].

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Related Experiment Video

Updated: Jul 11, 2026

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
09:29

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision

Published on: February 11, 2014

[Satisfaction with low vision aids].

K Rohrschneider1, R Kiel, V Pavlovska

  • 1Augenklinik der Ruprecht-Karls-Universität Heidelberg, Germany.

Klinische Monatsblatter Fur Augenheilkunde
|August 27, 2002
PubMed
Summary

Most low vision patients report high satisfaction with prescribed low vision aids (LVA), frequently using them for daily tasks. Regular follow-ups are recommended to manage potential functional decline and ensure continued benefit from LVAs.

Area of Science:

  • Ophthalmology
  • Low Vision Rehabilitation

Context:

  • Low vision aids (LVA) are crucial for maintaining quality of life in patients with visual impairment.
  • Assessing patient satisfaction and aid usage is essential for effective low vision care.

Purpose:

  • To evaluate patient satisfaction with prescribed low vision aids (LVA).
  • To correlate LVA type with specific eye diseases and visual function one year post-prescription.
  • To identify factors influencing LVA use and challenges faced by patients.

Summary:

  • A survey of 576 patients who received LVAs revealed high satisfaction (>90%) with management and aids.
  • 57% of patients used optical LVAs daily, primarily for reading and writing.
  • Despite high satisfaction, 20 patients experienced functional decline impacting LVA use; age-related macular degeneration patients often received magnifiers.

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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

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A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
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A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

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Related Experiment Videos

Last Updated: Jul 11, 2026

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
09:29

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision

Published on: February 11, 2014

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Impact:

  • Prescribed LVAs significantly improve the quality of life for low vision patients.
  • Regular follow-up examinations are necessary to address potential functional deterioration.
  • Early prescription of devices like CCTV (closed-circuit television) can preserve reading ability and should be considered by low vision specialists.