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

The effect of refractive error on the accommodative response gradient.

N A McBrien, M Millodot

    Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
    |January 1, 1986
    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

    Corneal sensitivity in albinos.

    Journal of pediatric ophthalmology and strabismus·2014
    Same author

    Which neurotransmitters modulate corneal sensitivity?

    Clinical & experimental optometry·2013
    Same author

    Expression of muscarinic receptor subtypes in tree shrew ocular tissues and their regulation during the development of myopia.

    Molecular vision·2009
    Same author

    The development of the refractive state in the newborn Thomson gazelle.

    Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2004
    Same author

    The role of visual information in the control of scleral matrix biology in myopia.

    Current eye research·2002
    Same author

    Retinal acetylcholine content in normal and myopic eyes: a role in ocular growth control?

    Visual neuroscience·2002
    Same journal

    Mesopic Illumination in Natural Environments: Implications for Myopia Research.

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

    Axial Length Growth Reference Curves and LMS Parameters for Japanese Children and Adolescents Aged 4-20 Years: The TMM BirThree Cohort Study.

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

    Effect of Switching Myopia Control Strategies on Axial Elongation in Children with Poor Response to Highly Aspherical Lenslet Therapy.

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

    Quantifying the Role of Longitudinal Chromatic Aberration and Age in Night Vision Disturbances.

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

    Impaired Rod-Mediated Vision is the Functional Hallmark of Ageing and Early and Intermediate Age-Related Macular Degeneration.

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

    Analytical Performance, Spatial Dynamics and Clinically Meaningful Change Thresholds for Automated Non-invasive Tear Film Assessment Using the Oculus Keratograph 5M.

    Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·2026
    See all related articles

    Hyperopes and emmetropes show greater accommodative responses than myopes. A strong correlation exists between accommodative response gradient and refractive error, suggesting differences in ciliary muscle innervation.

    Area of Science:

    • Ophthalmology and Vision Science
    • Physiological Optics

    Background:

    • Understanding the accommodative system is crucial for comprehending visual function and refractive error development.
    • Previous research suggests variations in accommodation across different refractive groups, but the precise nature and extent of these differences require further elucidation.

    Purpose of the Study:

    • To quantitatively compare the accommodative responses of individuals with early-onset myopia, late-onset myopia, emmetropia, and hyperopia.
    • To investigate the relationship between refractive error and the accommodative response gradient.
    • To explore the potential role of dual innervation to the ciliary muscle in observed accommodative differences.

    Main Methods:

    • Objective measurement of accommodative responses using an infra-red autorefractor.

    Related Experiment Videos

  • Testing across a range of 5 dioptres to assess accommodation at various distances.
  • Comparison of accommodative data among four distinct refractive groups: early-onset myopes, late-onset myopes, emmetropes, and hyperopes.

    • Main Results:

    • Significant differences in accommodative responses were observed between the refractive groups.
    • Hyperopes demonstrated the greatest accommodation for near targets, followed by emmetropes, then early-onset myopes, and finally late-onset myopes.
    • A strong positive correlation was found between the accommodative response gradient and the degree of refractive error.

    Conclusions:

    • The findings indicate that hyperopic individuals and emmetropes exhibit higher accommodative responses compared to myopic individuals.
    • The strong correlation suggests that refractive error influences the accommodative system's response to visual stimuli.
    • These results support the hypothesis of differential dual innervation to the ciliary muscle contributing to variations in accommodation across refractive states.