Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Evaluation of retinal function using the Dynamic Focal Cone ERG.

Alison Binns1, Tom H Margrain

  • 1School of Optometry and Vision Sciences, Cardiff University, PO Box 905, Cardiff CF10 3XF, Wales, UK. BinnsAM@cardiff.ac.uk

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|December 14, 2005
PubMed
Summary

A new Dynamic Focal Cone Electro-retinogram (ERG) objectively measures outer retinal recovery after light exposure. This technique aids in understanding retinal disease and monitoring treatment effectiveness for conditions like macular degeneration.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Repeatability of flicker modulation sensitivity measured using the Flicker-Plus test.

PloS one·2025
Same author

An overview of quality of life and visual outcomes in AMD.

Progress in brain research·2025
Same author

Validating candidate endpoints for intermediate age-related macular degeneration trials in a multi-centre setting-lessons from the MACUSTAR study.

Eye (London, England)·2025
Same author

The Spectrum of Functional, Structural, and Patient-Reported Outcomes in Intermediate Age-Related Macular Degeneration: A MACUSTAR Study Report.

Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift fur Augenheilkunde·2025
Same author

What Advice Is Currently Given to Patients with Age-Related Macular Degeneration (AMD) by Eyecare Practitioners, and How Effective Is It at Bringing about a Change in Lifestyle? A Systematic Review.

Nutrients·2022
Same author

Ability of Head-Mounted Display Technology to Improve Mobility in People With Low Vision: A Systematic Review.

Translational vision science & technology·2020

Area of Science:

  • Ophthalmology
  • Neuroscience
  • Vision Science

Background:

  • Assessing visual function is crucial for understanding retinal disease pathogenesis and treatment outcomes.
  • Outer retinal integrity, particularly the photoreceptor/retinal pigment epithelium (RPE) complex, is vital in diseases like age-related macular degeneration.
  • Current visual function tests are often subjective or influenced by post-retinal processing.

Purpose of the Study:

  • To introduce a novel, objective technique for assessing macular function recovery.
  • To evaluate the 'Dynamic Focal Cone Electro-retinogram (ERG)' as a clinical tool for measuring outer retinal recovery after photopigment bleach.

Main Methods:

  • A series of 41 Hz electroretinograms (ERGs) were recorded following a photopigment bleach.

Related Experiment Videos

  • ERG amplitude was plotted against time to analyze recovery kinetics.
  • Normative data were collected from 10 healthy subjects.

    • Main Results:

    • No measurable ERG was detected immediately after the bleach in any subject.
    • ERG amplitude returned to pre-bleach levels within 4 minutes for all subjects.
    • Recovery data were accurately modeled by exponential and rate-limited processes.

    Conclusions:

    • The Dynamic Focal Cone ERG provides a clinically applicable and objective measure of outer retinal recovery.
    • This technique offers a direct assessment of photoreceptor/RPE complex function.
    • It holds potential for improved monitoring of retinal diseases and treatment efficacy.