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

Short-wavelength automated perimetry without lens density testing

P A Sample1, G A Martinez, R N Weinreb

  • 1Glaucoma Center and Visual Function Laboratory, University of California at San Diego, La Jolla 92093-0946.

American Journal of Ophthalmology
|November 15, 1994
PubMed
Summary

Diagnosing glaucoma may be faster. Short-wavelength automated perimetry can effectively detect visual field loss without lens density correction, improving clinical utility.

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

Tracking the sources of Leptospira and nutrient flows in two urban watersheds of Puerto Rico.

Environmental monitoring and assessment·2023
Same author

Hydrodynamic cavitation pre-treatment of urban waste: Integration with acidogenic fermentation, PHAs synthesis and anaerobic digestion processes.

Chemosphere·2022
Same author

One-day protocol versus two-day protocol in acquisition of scintigraphy with "in vitro" labelled white blood cells for diagnosis of osteoarticular infection.

Revista espanola de medicina nuclear e imagen molecular·2018
Same author

Overexpression of the carbohydrate binding module from Solanum lycopersicum expansin 1 (Sl-EXP1) modifies tomato fruit firmness and Botrytis cinerea susceptibility.

Plant physiology and biochemistry : PPB·2017
Same author

Analysis of the carbohydrate-binding-module from Fragaria x ananassa α-L-arabinofuranosidase 1.

Plant physiology and biochemistry : PPB·2016
Same author

Numb chin syndrome as a manifestation of jaw metastasis diagnosed in a bone scan.

Revista espanola de medicina nuclear e imagen molecular·2015

Area of Science:

  • Ophthalmology
  • Visual Science
  • Medical Diagnostics

Background:

  • Glaucoma diagnosis relies on detecting visual field loss.
  • Short-wavelength automated perimetry (SWAP) is a sensitive method for glaucoma detection.
  • Lens density can affect visual field test results.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of localized short-wavelength visual field loss for glaucoma.
  • To determine if correcting for lens density is necessary in SWAP for glaucoma diagnosis.
  • To assess the potential for reducing SWAP test time.

Main Methods:

  • Three experiments were conducted using eyes from normal, glaucoma suspect, and glaucoma individuals.
  • Visual fields were assessed using short-wavelength automated perimetry, with and without lens density correction.

Related Experiment Videos

  • The Glaucoma Hemifield Test was used to analyze results for sensitivity and specificity.

    • Main Results:

    • Lens density has a diffuse, linear effect on the visual field, less influenced by age.
    • Comparable diagnostic results (sensitivity and specificity) were achieved with SWAP whether corrected for lens density or not.
    • Eliminating lens density measurement reduced test time by approximately 40 minutes.

    Conclusions:

    • Short-wavelength visual field loss estimation can be specific and sensitive enough for glaucoma diagnosis without lens density correction.
    • Removing the lens density correction step significantly reduces testing time.
    • This streamlined approach is expected to substantially improve the clinical utility of SWAP in glaucoma management.