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

Scotopic sensitivity during adulthood.

G R Jackson1, C Owsley

  • 1Department of Ophthalmology, School of Medicine, University of Alabama at Birmingham, 700 S. 18th Street, Suite 609, 35294-0022, Birmingham, AL, USA.

Vision Research
|August 1, 2000
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

Inconsistencies in clinically significant outcome metrics for knee cartilage repair: a systematic review.

Musculoskeletal surgery·2025
Same author

Self-reported vs state-recorded motor vehicle collisions among older community dwelling individuals.

Accident; analysis and prevention·2017
Same author

Glucose variability and inner retinal sensory neuropathy in persons with type 1 diabetes mellitus.

Eye (London, England)·2016
Same author

Self-perceptions and Current Practices of High-risk Older Drivers: Implications for Driver Safety Interventions.

Journal of health psychology·2011
Same author

Formation of immunoglobulin light chain amyloid oligomers in primary cutaneous nodular amyloidosis.

The British journal of dermatology·2011
Same author

Tau oligomers as potential targets for immunotherapy for Alzheimer's disease and tauopathies.

Current Alzheimer research·2011
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
Same journal

Perceived direction of glass patterns can flip by 90°: A neural model.

Vision research·2026
See all related articles

Age-related vision loss in scotopic sensitivity (night vision) gradually emerges throughout adulthood, not just in later life. This neural decline occurs at twice the rate of photopic sensitivity (day vision) loss.

Area of Science:

  • Vision science
  • Neuroscience
  • Gerontology

Background:

  • Older adults experience a significant loss in scotopic sensitivity, often attributed to neural factors rather than optical or retinal diseases.
  • The developmental trajectory of this age-related neural deficit in vision remains poorly understood, with uncertainty regarding its onset during adulthood or late life.

Purpose of the Study:

  • To investigate the developmental course of neural-based scotopic sensitivity decline across adulthood.
  • To compare the rate of decline in scotopic sensitivity with that of photopic sensitivity throughout adult life.

Main Methods:

  • Measured scotopic and photopic sensitivity in 94 adults aged 20s to 80s across 27 test locations.
  • Utilized fundus photography and a grading scale to assess macular health in older participants (age 49+) to exclude macular disease.

Related Experiment Videos

  • Employed linear and bilinear models to analyze the developmental pattern of sensitivity decline.

    • Main Results:

    • Scotopic sensitivity decreased linearly with age at a rate of 0.08 log units per decade.
    • Photopic sensitivity also showed a linear decline, albeit at a slower rate of 0.04 log units per decade.
    • The decline in scotopic sensitivity was best described by a single linear model, indicating a gradual emergence throughout adulthood.

    Conclusions:

    • Age-related neural loss in scotopic vision develops gradually over the course of adulthood.
    • The rate of scotopic sensitivity decline is approximately double that of photopic sensitivity decline.
    • This study clarifies the developmental timeline of age-related visual impairment, highlighting a continuous neural decline rather than a late-onset deficit.