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

Cone sampling array models.

A J Ahumada, A Poirson

    Journal of the Optical Society of America. A, Optics and Image Science
    |August 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    A new model describes how cone photoreceptors are positioned in the retina, varying with eccentricity. This model accurately fits measurements of macaque cone inner segment positions.

    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

    [Uveitis as a presenting manifestation of sarcoidosis: clinical characteritics of a series of 23 cases].

    La Revue de medecine interne·2012
    Same author

    [Which epiretinal membranes should be operated?].

    Journal francais d'ophtalmologie·2008
    Same author

    Discriminability measures for predicting readability of text on textured backgrounds.

    Optics express·2002
    Same author

    Detection in fixed and random noise in foveal and parafoveal vision explained by template learning.

    Journal of the Optical Society of America. A, Optics, image science, and vision·1999
    Same author

    Object detection in natural backgrounds predicted by discrimination performance and models.

    Vision research·1998
    Same author

    Visual signal detection in structured backgrounds. II. Effects of contrast gain control, background variations, and white noise.

    Journal of the Optical Society of America. A, Optics, image science, and vision·1997
    Same journal

    Phase retrieval with prior information.

    Journal of the Optical Society of America. A, Optics and image science·2008
    Same journal

    Clinical microscopy of the cornea utilizing optical sectioning and a high-numerical-aperture objective.

    Journal of the Optical Society of America. A, Optics and image science·1993
    Same journal

    Eye-tracking laser Doppler velocimeter stabilized in two dimensions: principle, design, and construction.

    Journal of the Optical Society of America. A, Optics and image science·1993
    Same journal

    Effects of aging in retinal image quality.

    Journal of the Optical Society of America. A, Optics and image science·1993
    Same journal

    Axial eye-length measurement by wavelength-shift interferometry.

    Journal of the Optical Society of America. A, Optics and image science·1993
    Same journal

    Fractal analysis of steady-state-flicker visual evoked potentials: feasibility.

    Journal of the Optical Society of America. A, Optics and image science·1993
    See all related articles

    Area of Science:

    • Ophthalmology
    • Computational Neuroscience
    • Vision Science

    Background:

    • Cone photoreceptors are essential for high-acuity vision.
    • Understanding cone packing is crucial for explaining visual performance variations across the retina.

    Purpose of the Study:

    • To develop and validate a computational model for retinal cone positioning.
    • To quantify parameters of cone packing density and arrangement as a function of eccentricity.

    Main Methods:

    • A mathematical model was created where cones are represented by circular disks with a radius and packing jitter.
    • Model parameters (mean radius, radius standard deviation, jitter standard deviation) were estimated.
    • Parameter estimation used existing data on macaque cone inner segment positions (Hirsch & Hylton, 1985; Hirsch & Miller, 1987).

    Related Experiment Videos

  • Fitting involved analyzing variations in local inter-cone distances.

    • Main Results:

    • The model successfully describes cone positioning with three eccentricity-dependent parameters.
    • Parameter estimates were derived for retinal eccentricities up to 1.6 degrees.
    • The model demonstrated a good fit to the empirical measures of inter-cone distance variation.

    Conclusions:

    • The proposed model provides a robust framework for understanding retinal cone arrangement.
    • The model's parameters offer quantifiable insights into how cone packing changes with eccentricity.
    • This work contributes to a better understanding of retinal structure-function relationships.