A New Reproducible Method of Measuring C/D Ratio of Digital Stereo Images of Optic Disc

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Meir Medical Center
ClinicalTrials.gov Identifier:
NCT01683942
First received: September 10, 2012
Last updated: NA
Last verified: September 2012
History: No changes posted
  Purpose

Development of a novel computer software that will assist in measuring the cup/disc ratio in digital stereo optic disc images.


Condition
Developing Novel Technique of Measuring C/D Ratio From Digital Stereo Optic Disc Images
Intraobserver Reproducibility of C/D Measurements
Interobserver Variability of C/D Measurements

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Retrospective
Official Title: A New Reproducible Method of Measuring C/D Ratio of Digital Stereo Images of Optic Disc

Further study details as provided by Meir Medical Center:

Enrollment: 250
Study Start Date: August 2012
  Eligibility

Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population

500 consecutive digitalized optic disc photos of 250 patients attending the Glaucoma Service between 1996-2012 will be extracted from a database of optic disc photos at the Glaucoma Service of the Ophthalmology Department, Meir Medical Center, Kfar Saba, Israel.

Criteria

Inclusion Criteria:

Patients who attended the Glaucoma service Patients with at least one pair of documented digital stereo optic disc images Satisfactory Quality of image allowing Cup Disc Ratio Evaluation

Exclusion Criteria:

Unsatisfactory Quality of image allowing Cup Disc Ratio Evaluation Novel software technique unable to process or analyze the image

  Contacts and Locations
No Contacts or Locations Provided
  More Information

No publications provided

Responsible Party: Meir Medical Center
ClinicalTrials.gov Identifier: NCT01683942     History of Changes
Other Study ID Numbers: NesherMimouni
Study First Received: September 10, 2012
Last Updated: September 10, 2012
Health Authority: Israel:Clalit Health Services

Keywords provided by Meir Medical Center:
cup disc ratio measurement
digital stereo optic disc images

ClinicalTrials.gov processed this record on April 17, 2014