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

Age differences in Vistech near contrast sensitivity.

C T Scialfa1, R A Tyrrell, P M Garvey

  • 1Department of Individual and Family Studies, The Pennsylvania State University.

American Journal of Optometry and Physiological Optics
|December 1, 1988
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

Hazard perception in emergency medical service responders.

Accident; analysis and prevention·2016
Same author

Operator assessment of tractor roll angle with and without a tractor stability visual feedback device.

Journal of agricultural safety and health·2010
Same author

Can normal outdoor activities be carried out during civil twilight?

Applied optics·2010
Same author

National Safe Tractor and Machinery Operation Program: development and content evaluation.

Journal of agricultural safety and health·2008
Same author

Motorist comprehension of the slow-moving vehicle (SMV) emblem.

Journal of agricultural safety and health·2003
Same author

Visual search for traffic signs: the effects of clutter, luminance, and aging.

Human factors·2001
Same journal

Visual decrement with deposit accumulation of HEMA contact lenses.

American journal of optometry and physiological optics·1988
Same journal

Stiles-Burch two-degree color mixture data.

American journal of optometry and physiological optics·1988
Same journal

Undercorrection and myopia development.

American journal of optometry and physiological optics·1988
Same journal

The International Optometric and Optical League.

American journal of optometry and physiological optics·1988
Same journal

Quantitative photorefraction using an off-center flash source.

American journal of optometry and physiological optics·1988
Same journal

An objective VER assessment of visual acuity compared with subjective measures.

American journal of optometry and physiological optics·1988
See all related articles

This study found that contrast sensitivity decreases with age, particularly at higher spatial frequencies. Age-specific norms were developed for the Vistech 6000 Contrast Test System (VCTS) to assess performance relative to peers.

Area of Science:

  • Ophthalmology
  • Vision Science
  • Gerontology

Background:

  • Contrast sensitivity is a critical measure of visual function.
  • Age-related changes in vision can impact daily activities.
  • Standardized testing is needed to evaluate contrast sensitivity across age groups.

Purpose of the Study:

  • To measure contrast sensitivity at near using the Vistech 6000 Contrast Test System (VCTS).
  • To investigate age-related trends in contrast sensitivity.
  • To develop provisional age norms for the VCTS.

Main Methods:

  • Contrast sensitivity was measured in 287 individuals aged 4 to 87 years.
  • The Vistech 6000 Contrast Test System (VCTS) was utilized for near testing.
  • Data were compared with previous Vistech chart results and the Nicolet system.

Related Experiment Videos

Main Results:

  • An age-related decline in contrast sensitivity was observed for intermediate and higher spatial frequencies.
  • VCTS yielded lower contrast sensitivity values than the Nicolet system, especially at lower spatial frequencies.
  • Differences between methods were attributed to the number of grating cycles on Vistech charts.

Conclusions:

  • The VCTS is a viable tool for assessing age-related contrast sensitivity loss.
  • Provisional age norms for the VCTS enable performance assessment relative to age cohorts.
  • Recommendations for VCTS use and future development are provided.