Digital Photographs to Evaluate Blepharoptosis

February 1, 2017 updated by: CHU de Quebec-Universite Laval

Comparison Between Clinical Measurements and Computer-based Measurements on Digital Photographs to Evaluate Blepharoptosis

To compare measurements made by a computer software (ImageJ) made on photographs to the traditional clinical measures with a ruler in the evaluation of blepharoptosis

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

36

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Quebec
      • Québec, Quebec, Canada, G1S 4L8
        • Centre universitaire d'ophtalmologie, Hôpital du Saint-Sacrement, CHU de Québec

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Patients with ptosis of all causes

Description

Inclusion Criteria:

  • Patients 18 years old or older
  • Patients presenting for evaluation of blepharoptosis of any kind except the one mentioned in the exclusion criteria

Exclusion Criteria:

  • Myasthenia gravis
  • Thyroid eye disease

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Other
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Clinical measurements
Measurements are made with a paper ruler
Other: Method comparison
Smartphone
Measurements are made with ImageJ from pictures taken with an iPhone 6
Other: Method comparison
Digital camera
Measurements are made with ImageJ from pictures taken with a Nikon D700
Other: Method comparison

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Reliability of measurements made on photographs to evaluate blepharoptosis
Time Frame: Same day
Comparison between measurements made on digital photographs with measurements made with a ruler in clinic
Same day
Reliability of measurements made on photographs taken by smartphone to evaluate blepharoptosis
Time Frame: Same day
Comparison between measurements made on digital photographs taken by smartphone with measurements made on digital photographs taken with a digital camera
Same day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

CHU de Quebec-Universite Laval

Investigators

  • Principal Investigator: Yvonne Molgat, MDCM, FRCSC, Centre de recherche du CHU de Québec : Université Laval

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2013

Primary Completion (Actual)

November 30, 2016

Study Completion (Actual)

November 30, 2016

Study Registration Dates

First Submitted

February 3, 2015

First Submitted That Met QC Criteria

February 13, 2015

First Posted (Estimate)

February 20, 2015

Study Record Updates

Last Update Posted (Estimate)

February 2, 2017

Last Update Submitted That Met QC Criteria

February 1, 2017

Last Verified

August 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2015-1905, C14-06-1905

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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