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

Computerized color-vision test based upon postreceptoral channel sensitivities.

E Miyahara1, J Pokorny, V C Smith

  • 1Department of Psychology, California State University, Fullerton, 92834-6846, USA. emiyahara@fullerton.edu

Visual Neuroscience
|November 3, 2004
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

Measurements of the associated production of a Z boson and b jets in pp collisions at <math> </math>.

The European physical journal. C, Particles and fields·2020
Same author

Search for lepton flavour violating decays of heavy resonances and quantum black holes to an [Formula: see text] pair in proton-proton collisions at [Formula: see text].

The European physical journal. C, Particles and fields·2017
Same author

Search for direct pair production of supersymmetric top quarks decaying to all-hadronic final states in pp collisions at [Formula: see text].

The European physical journal. C, Particles and fields·2017
Same author

Measurement of dijet azimuthal decorrelation in pp collisions at [Formula: see text].

The European physical journal. C, Particles and fields·2017
Same author

Measurement of the double-differential inclusive jet cross section in proton-proton collisions at [Formula: see text].

The European physical journal. C, Particles and fields·2017
Same author

Measurement of the differential cross section and charge asymmetry for inclusive [Formula: see text] production at [Formula: see text] TeV.

The European physical journal. C, Particles and fields·2017
Same journal

Support for the efficient coding account of visual discomfort.

Visual neuroscience·2024
Same journal

Visual Field Asymmetries in Responses to ON and OFF Pathway Biasing Stimuli.

Visual neuroscience·2024
Same journal

Pattern reversal chromatic VEPs like onsets, are unaffected by attentional demand.

Visual neuroscience·2024
Same journal

The interaction between luminance polarity grouping and symmetry axes on the ERP responses to symmetry.

Visual neuroscience·2024
Same journal

Electroretinographic responses to periodic stimuli in primates and the relevance for visual perception and for clinical studies.

Visual neuroscience·2024
Same journal

Synaptotagmin-9 in mouse retina.

Visual neuroscience·2024
See all related articles

This study introduces an automated computerized color vision test to diagnose red-green color vision defects. The test measures increment thresholds and effectively distinguishes between normal trichromats and individuals with color vision deficiencies.

Area of Science:

  • Ophthalmology
  • Neuroscience
  • Visual Science

Background:

  • Congenital red-green color vision defects affect a significant portion of the population.
  • Accurate and efficient diagnosis is crucial for understanding visual processing and potential interventions.
  • Existing diagnostic methods can be time-consuming or require specialized equipment.

Purpose of the Study:

  • To develop and validate an automated, computerized color vision test for diagnosing congenital red-green color vision defects.
  • To assess the test's ability to differentiate between normal trichromats and individuals with various red-green color vision deficiencies.
  • To evaluate the test's diagnostic speed and potential for clinical application.

Main Methods:

  • An automated test using a CRT screen to measure increment thresholds for red and green chromaticities against a yellow background.

Related Experiment Videos

  • Employed a four-alternative forced-choice (4AFC) method with interleaved staircases to estimate thresholds.
  • Utilized spatial and temporal parameters optimized for parvocellular pathway involvement.

    • Main Results:

    • Normal trichromats exhibited a distinct 'Sloan notch,' indicating chromatic system mediation.
    • Individuals with red-green color vision defects showed significantly reduced or absent Sloan notch, suggesting luminance system dominance.
    • Data from 107 normal trichromats and 16 color vision defectives demonstrated the test's diagnostic capability.

    Conclusions:

    • The developed automated color vision test can effectively diagnose congenital red-green color vision defects.
    • The test differentiates functional trichromatism from dichromatism based on Sloan notch measurements.
    • Further studies are needed to refine discrimination between protan and deutan defects.