Monochromatic Digital-Pupillometry With Two Automated Devices in Comparison to Manual Measurements on Digital Photographs

November 30, 2016 updated by: Dr. Martin Leitritz, University Hospital Tuebingen
Retrospective, analysis of three different methods to measure patients' pupil diameters

Study Overview

Status

Completed

Conditions

Study Type

Observational

Enrollment (Actual)

15

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

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

N/A

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

patients of a university eye-hospital which underwent examinations for refractive or cataract surgery

Description

Inclusion Criteria:

  • usable measurement values from three different examinations

Exclusion Criteria:

  • bad image quality

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Pupils' diameter
Time Frame: September 2016
Measurement of patients pupil diameter with several methods
September 2016

Collaborators and Investigators

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

Sponsor

University Hospital Tuebingen

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

April 1, 2016

Primary Completion (Actual)

September 1, 2016

Study Completion (Actual)

November 1, 2016

Study Registration Dates

First Submitted

November 26, 2016

First Submitted That Met QC Criteria

November 26, 2016

First Posted (Estimate)

November 30, 2016

Study Record Updates

Last Update Posted (Estimate)

December 1, 2016

Last Update Submitted That Met QC Criteria

November 30, 2016

Last Verified

November 1, 2016

More Information

Terms related to this study

Other Study ID Numbers

  • 3

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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