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

Spatial contrast sensitivity through aviator's night vision imaging system

J Rabin1

  • 1Sensory Research Division, U.S. Army Aeromedical Research Laboratory, Fort Rucker, AL 36362-0577.

Aviation, Space, and Environmental Medicine
|August 1, 1993
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

Work Programming for Psychiatric ClientsAn Interdisciplinary Approach.

Work (Reading, Mass.)·2014
Same author

Estrogen-receptor polymorphism, spontaneous-abortion, and breast-cancer risk.

International journal of oncology·2011
Same author

Efficacy of a proximal occlusion catheter with reversal of flow in the prevention of embolic events during carotid artery stenting: an experimental analysis.

Journal of vascular surgery·2001
Same author

Does the endovascular repair of aortoiliac aneurysms pose a radiation safety hazard to vascular surgeons?

Journal of vascular surgery·2000
Same author

The neural substrates of religious experience.

The Journal of neuropsychiatry and clinical neurosciences·1997
Same author

Cone-specific measures of human color vision.

Investigative ophthalmology & visual science·1996
Same journal

Goodbye to ASEM.

Aviation, space, and environmental medicine·2014
Same journal

AsMA - a worldwide organization.

Aviation, space, and environmental medicine·2014
Same journal

This month in aerospace medicine history.

Aviation, space, and environmental medicine·2014
Same journal

You're the flight surgeon: hypogonadism.

Aviation, space, and environmental medicine·2014
Same journal

You're the flight surgeon: fatigue.

Aviation, space, and environmental medicine·2014
Same journal

Manned-unmanned teaming: expanding the envelope of UAS operational employment.

Aviation, space, and environmental medicine·2014
See all related articles

This study measured contrast sensitivity using night vision goggles (NVGs) and computer-generated charts. Results show how NVGs affect vision under simulated night sky conditions.

Area of Science:

  • Vision Science
  • Ophthalmology
  • Human Factors Engineering

Background:

  • Visual acuity is commonly used to evaluate image-intensifying devices like night vision goggles (NVGs).
  • Measuring contrast sensitivity through NVGs is less explored but crucial for understanding visual performance.
  • Contrast sensitivity data is vital for optimizing NVG performance and user capabilities.

Purpose of the Study:

  • To quantify contrast sensitivity through third-generation NVGs under simulated night sky conditions.
  • To investigate the impact of different luminance levels and letter sizes on NVG contrast sensitivity.
  • To differentiate the effects of luminance and noise on contrast sensitivity when using NVGs.

Main Methods:

  • Computer-generated letter charts were employed to assess contrast sensitivity.

Related Experiment Videos

  • Third-generation NVGs were used with a red phosphor monitor as the stimulus source.
  • Simulated night sky conditions across a 3-log unit range were utilized.
  • Contrast sensitivity was measured both with and without NVGs at identical luminance and color settings.

    • Main Results:

    • A detailed profile of contrast sensitivity through third-generation NVGs was established across various simulated night sky conditions.
    • The red phosphor monitor proved effective for stimulating third-generation NVGs.
    • The study successfully distinguished between luminance and noise effects on contrast sensitivity.

    Conclusions:

    • Contrast sensitivity measurement is feasible and informative for evaluating NVGs.
    • Understanding contrast sensitivity through NVGs is essential for optimizing visual performance in low-light environments.
    • The findings provide valuable data for the development and application of night vision technology.