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

Reproducibility study on the Scheimpflug Cataract Video Camera.

P A Edwards1, M B Datiles, S B Green

  • 1Clinical Branch, National Eye Institute, Bethesda, MD 20892.

Current Eye Research
|October 1, 1988
PubMed
Summary

The Zeiss Scheimpflug Cataract Video Camera demonstrates excellent reproducibility for cataract analysis. This imaging system shows high reliability in monitoring lens changes and evaluating anti-cataract agents.

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

A Monte Carlo Investigation of Methods for Controlling Type I Errors with Specification Searches in Structural Equation Modeling.

Multivariate behavioral research·2016
Same author

How Many Subjects Does It Take To Do A Regression Analysis.

Multivariate behavioral research·2016
Same author

Control of Type I Errors with Multiple Tests of Constraints in Structural Equation Modeling.

Multivariate behavioral research·2016
Same author

The effect of suspended sediment on fertilization success in the urchin Evechinus chloroticus: analysis of experimental data using hierarchical Bayesian methods.

Marine pollution bulletin·2014
Same author

NIH response criteria measures are associated with important parameters of disease severity in patients with chronic GVHD.

Bone marrow transplantation·2014
Same author

Correlation of gastroesophageal reflux disease symptoms characteristics with long-segment Barrett's esophagus.

Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus·2006

Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Cataracts are a leading cause of vision impairment.
  • Accurate and reproducible imaging is crucial for cataract research and monitoring.
  • The Zeiss Scheimpflug Cataract Video Camera offers semi-automated analysis capabilities.

Purpose of the Study:

  • To evaluate the reproducibility of the Zeiss Scheimpflug Cataract Video Camera system.
  • To assess the reliability of cataract imaging and microdensitometry using this device.
  • To determine if observed differences are system variability or actual image differences.

Main Methods:

  • A reproducibility study involving 24 normal and 61 cataractous eyes.
  • Each eye was photographed twice by two authors in the 90-degree meridian.

Related Experiment Videos

  • Microdensitometry was performed on stored images, with reproducibility assessed via intraclass correlation coefficient.

    • Main Results:

    • Excellent intraclass correlation (0.995) in the lens nucleus, indicating 99.5% reproducibility.
    • High intraclass correlation in the anterior cortex (0.941) and posterior cortex (0.905).
    • The system demonstrated excellent reliability across different lens regions.

    Conclusions:

    • The Zeiss Scheimpflug Cataract Video Camera exhibits excellent reproducibility.
    • The instrument shows potential utility in monitoring lens changes in diseases.
    • This camera may be valuable for assessing the efficacy of anti-cataract agents.