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

Light-sense, flicker and resolution perimetry in glaucoma: a comparative study.

B J Lachenmayr1, S M Drance, G R Douglas

  • 1Department of Ophthalmology, University of British Columbia, Vancouver, Canada.

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|January 1, 1991
PubMed
Summary

Resolution perimetry shows high specificity but lower sensitivity for detecting glaucoma compared to light-sense perimetry. Flicker perimetry offers high sensitivity but low specificity in glaucoma detection.

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

Modern concepts of the diagnosis and treatment of chronic open-angle glaucoma.

Canadian family physician Medecin de famille canadien·2011
Same author

Intravenous Human Fibrinolysin in the Treatment of Intravascular Thrombosis.

Canadian Medical Association journal·2010
Same author

Vernier thresholds and alignment bias in control, suspect, and glaucomatous eyes.

Journal of glaucoma·2009
Same author

Reproducibility of topographic parameters obtained with the heidelberg retina tomograph.

Journal of glaucoma·2009
Same author

First hans goldmann lecture of the glaucoma society of the international congress of ophthalmology.

Journal of glaucoma·2009
Same author

Ability of the heidelberg retina tomograph to detect early glaucomatous visual field loss.

Journal of glaucoma·2009

Area of Science:

  • Ophthalmology
  • Visual Neuroscience

Background:

  • Glaucoma diagnosis relies on visual field testing.
  • Different perimetry techniques (light-sense, flicker, resolution) assess visual field defects with varying capabilities.

Purpose of the Study:

  • To compare the diagnostic performance of light-sense, flicker, and resolution perimetry in detecting glaucomatous visual field loss.
  • To evaluate the sensitivity and specificity of each perimetry method for different types of visual field defects.

Main Methods:

  • 106 eyes of 106 glaucoma patients were tested using automated light-sense, flicker, and resolution perimetry.
  • Visual fields were classified as normal, purely diffuse loss, purely localized loss, or combined diffuse and localized loss.
  • Masked assessment compared the performance of the three perimetry techniques.

Related Experiment Videos

Main Results:

  • Resolution perimetry demonstrated high specificity (93%) but lower sensitivity (77%) for detecting glaucoma compared to light-sense perimetry.
  • Flicker perimetry showed high sensitivity (95%) but low specificity (57%) when compared to light-sense perimetry.
  • Diffuse loss detection by light-sense and resolution perimetry correlated with visual acuity, unlike flicker perimetry.

Conclusions:

  • Resolution perimetry is a specific but less sensitive tool for glaucoma detection.
  • Flicker perimetry is sensitive but lacks specificity in identifying glaucomatous damage.
  • The choice of perimetry technique impacts the detection of different types of visual field loss in glaucoma.