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

Slow flash multifocal electroretinogram in myopia.

Jennifer C Chen1, Brian Brown, Katrina L Schmid

  • 1School of Optometry, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia. jc.chen@qut.edu.ca

Vision Research
|May 2, 2006
PubMed
Summary
This summary is machine-generated.

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

Conjunctival Ultraviolet Autofluorescence: A Systematic Review of Factors Affecting Observed Ocular Damage.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·2026
Same author

Building optometry integrated eye care pathways for Queensland: the case for action.

Clinical & experimental optometry·2026
Same author

Early Ultraviolet-Induced Corneal Immune Changes Identified Using In Vivo Confocal Microscopy in Otherwise Healthy Eyes.

Cornea·2026
Same author

The Proteo-Transcriptome of Extracellular Vesicles and Particles Is Largely Preserved After Cryopreservation.

Journal of extracellular biology·2026
Same author

Baby Catchers: A Novel Tank Design to Dramatically Improve Fry Recovery of Live-bearing Fishes.

Zebrafish·2026
Same author

A review of theatre interventions and mental health: inspiration, elicitation and dissemination.

Arts & health·2025
Same journal

Editorial for VSI Amblyopia: Advances in Amblyopia Research.

Vision research·2026
Same journal

Computational and mathematical models in vision: Quantitative approaches to understanding visual perception.

Vision research·2026
Same journal

Complex interactions between lightness, chroma, and hue in color ensemble perception.

Vision research·2026
Same journal

Driving with autism spectrum disorder: Exploring the impact of tactile hazard warnings on gaze behavior and hazard responses.

Vision research·2026
Same journal

Early visual processing in adults with ADHD: evidence from contrast sensitivity, spatial integration, and external noise.

Vision research·2026
Same journal

Pupil reflexes generate the peripheral drift illusion due to ON/OFF motion responses.

Vision research·2026
See all related articles

Myopia is associated with reduced late-stage retinal function, specifically impacting ON- and OFF-bipolar cell activity. This slow flash multifocal electroretinogram study highlights potential visual pathway alterations in myopia.

Area of Science:

  • Ophthalmology
  • Neuroscience
  • Visual Science

Background:

  • Myopia, or nearsightedness, affects a significant portion of the global population.
  • Retinal function, particularly the activity of bipolar cells, plays a crucial role in visual processing.
  • Understanding the specific retinal changes in myopia is essential for developing targeted interventions.

Purpose of the Study:

  • To investigate retinal function characteristics in myopic individuals using a modified multifocal electroretinogram (mfERG) protocol.
  • To specifically assess the slow flash (sf-mfERG) paradigm, which targets ON- and OFF-bipolar cell responses.
  • To analyze late response components within the mfERG waveform.

Main Methods:

  • Twenty-eight subjects (10 emmetropes, 18 myopes) underwent mfERG testing.

Related Experiment Videos

  • A slow flash (sf-mfERG) protocol with a 103-hexagon array was employed.
  • Amplitude and implicit time of major sf-mfERG waveform features (N1, P1, N2) were analyzed.

    • Main Results:

    • Myopes exhibited significantly reduced P1 and N2 amplitudes compared to emmetropes.
    • No significant differences were found in N1 amplitude or implicit time between the groups.
    • These findings suggest preferential impact on later components of the retinal response in myopia.

    Conclusions:

    • Late response components (P1, N2) of the sf-mfERG are preferentially affected in myopia.
    • This suggests potential reductions in ON- and OFF-bipolar cell activity.
    • Further research into ON- and OFF-pathway function in myopia is warranted.