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

Relative dispersion analysis enhances perimetric sensitivity

L Frisén1, S Rossitti

  • 1Department of Ophthalmology, University of Göteborg, Sweden.

Vision Research
|February 1, 1996
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

Psychosocial outcome in adult men born with hypospadias.

Journal of pediatric urology·2017
Same author

Sexuality and fertility in men with hypospadias; improved outcome.

Andrology·2016
Same author

Suboptimal psychosocial outcomes in patients with congenital adrenal hyperplasia: epidemiological studies in a nonbiased national cohort in Sweden.

The Journal of clinical endocrinology and metabolism·2014
Same author

Intracranial pressure is a fraction of arterial blood pressure.

European journal of neurology·2013
Same author

The KMO allele encoding Arg452 is associated with psychotic features in bipolar disorder type 1, and with increased CSF KYNA level and reduced KMO expression.

Molecular psychiatry·2013
Same author

Patient organ radiation doses during treatment for aneurysmal subarachnoid hemorrhage.

Clinical neuroradiology·2012
Same journal

A new oculomotor model demystifies "Remarkable Saccades".

Vision research·2026
Same journal

Impact of crowding on visual appearance and performance in amblyopia.

Vision research·2026
Same journal

Editorial for VSI Amblyopia: Advances in Amblyopia Research.

Vision research·2026
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
See all related articles

Relative dispersion analysis effectively identifies subtle visual field defects, outperforming standard methods in sensitivity and specificity for conditions like glaucoma. This fractal analysis tool offers a novel approach to detecting visual field abnormalities.

Area of Science:

  • Ophthalmology
  • Neurology
  • Medical Imaging Analysis

Background:

  • Objective identification of minor visual field defects presents a significant clinical challenge.
  • Existing methods may lack the sensitivity to detect early-stage visual field abnormalities.

Purpose of the Study:

  • To evaluate the efficacy of relative dispersion analysis, a fractal analysis tool, in identifying minor visual field defects.
  • To compare the sensitivity and specificity of relative dispersion analysis against established metrics.

Main Methods:

  • High-pass resolution perimetry was employed on 100 visual field records from patients with glaucoma, optic neuritis, chiasmal compression, and brain hemisphere lesions.
  • Records with the smallest defects (below the 35th percentile) were analyzed using relative dispersion analysis.

Related Experiment Videos

  • Performance was compared with pattern standard deviation and a previously described form index.

    • Main Results:

    • Relative dispersion analysis identified 1.3-2.4 times more abnormal subjects compared to pattern standard deviation.
    • The form index showed intermediate sensitivity.
    • The specificity of relative dispersion analysis was determined to be 96%.

    Conclusions:

    • Relative dispersion analysis demonstrates potential as a novel method for detecting visual field abnormalities.
    • The technique offers good sensitivity and specificity, surpassing traditional metrics for subtle defects.
    • The analysis is straightforward to implement in clinical practice.