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

The repeatability of tear mucus ferning grading

C D Pensyl1, S M Dillehay

  • 1University of Alabama at Birmingham School of Optometry, Department of Optometry, 35294-0010, USA.

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|September 12, 1998
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

Vapor pressure osmometry: minimum sample microvolumes.

Acta ophthalmologica Scandinavica·1999
Same author

Corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study: baseline prevalence and repeatability of detection.

Cornea·1999
Same author

Distribution of astigmatism among Sioux Indians in South Dakota.

Journal of the American Optometric Association·1997
Same author

Low vision aids and the presbyope.

Journal of the American Optometric Association·1991

Rolando's tear ferning grading system shows high repeatability for classifying normal versus abnormal tear patterns. This subjective method is reliable for diagnosing conditions like keratoconjunctivitis sicca.

Area of Science:

  • Ophthalmology
  • Tear film analysis
  • Diagnostic methods

Background:

  • Tear mucus ferning patterns are graded subjectively by Rolando's system.
  • Grades 1 and 2 are normal, while grades 3 and 4 suggest keratoconjunctivitis sicca.

Purpose of the Study:

  • To assess the intraobserver and interobserver repeatability of Rolando's tear ferning classification system.

Main Methods:

  • 418 photographic slides of tear ferning patterns were graded by two independent investigators.
  • One investigator graded the slides twice under masked conditions.
  • The other investigator graded the slides once.

Main Results:

  • High intraobserver agreement (85.41%) and interobserver agreement (80.62%–86.12%) were found for the four-grade system.

Related Experiment Videos

  • Classifying normal (grades 1-2) versus abnormal (grades 3-4) patterns showed excellent repeatability.
  • Intraobserver repeatability for normal/abnormal classification was 94.50%, with interobserver agreement at 92.10%–94.26%.

    • Conclusions:

    • Rolando's grading system demonstrates high agreement in both intraobserver and interobserver trials.
    • The system is considered an easy and consistent method for classifying tear ferning patterns.
    • This supports its utility in diagnosing dry eye disease.