<clinical_study>
  <!-- This xml conforms to an XML Schema at:
    https://clinicaltrials.gov/ct2/html/images/info/public.xsd -->
  <required_header>
    <download_date>ClinicalTrials.gov processed this data on September 20, 2023</download_date>
    <link_text>Link to the current ClinicalTrials.gov record.</link_text>
    <url>https://clinicaltrials.gov/ct2/show/NCT02978092</url>
  </required_header>
  <id_info>
    <org_study_id>3</org_study_id>
    <nct_id>NCT02978092</nct_id>
  </id_info>
  <brief_title>Monochromatic Digital-Pupillometry With Two Automated Devices in Comparison to Manual Measurements on Digital Photographs</brief_title>
  <sponsors>
    <lead_sponsor>
      <agency>University Hospital Tuebingen</agency>
      <agency_class>Other</agency_class>
    </lead_sponsor>
  </sponsors>
  <source>University Hospital Tuebingen</source>
  <brief_summary>
    <textblock>
      Retrospective, analysis of three different methods to measure patients' pupil diameters&#xD;
    </textblock>
  </brief_summary>
  <overall_status>Completed</overall_status>
  <start_date>April 2016</start_date>
  <completion_date type="Actual">November 2016</completion_date>
  <primary_completion_date type="Actual">September 2016</primary_completion_date>
  <study_type>Observational</study_type>
  <has_expanded_access>No</has_expanded_access>
  <study_design_info>
    <time_perspective>Retrospective</time_perspective>
  </study_design_info>
  <primary_outcome>
    <measure>Pupils' diameter</measure>
    <time_frame>September 2016</time_frame>
    <description>Measurement of patients pupil diameter with several methods</description>
  </primary_outcome>
  <enrollment type="Actual">15</enrollment>
  <condition>Pupil Examination</condition>
  <eligibility>
    <study_pop>
      <textblock>
        patients of a university eye-hospital which underwent examinations for refractive or&#xD;
        cataract surgery&#xD;
      </textblock>
    </study_pop>
    <sampling_method>Probability Sample</sampling_method>
    <criteria>
      <textblock>
        Inclusion Criteria:&#xD;
&#xD;
          -  usable measurement values from three different examinations&#xD;
&#xD;
        Exclusion Criteria:&#xD;
&#xD;
          -  bad image quality&#xD;
      </textblock>
    </criteria>
    <gender>All</gender>
    <minimum_age>N/A</minimum_age>
    <maximum_age>N/A</maximum_age>
  </eligibility>
  <verification_date>November 2016</verification_date>
  <study_first_submitted>November 26, 2016</study_first_submitted>
  <study_first_submitted_qc>November 26, 2016</study_first_submitted_qc>
  <study_first_posted type="Estimate">November 30, 2016</study_first_posted>
  <last_update_submitted>November 30, 2016</last_update_submitted>
  <last_update_submitted_qc>November 30, 2016</last_update_submitted_qc>
  <last_update_posted type="Estimate">December 1, 2016</last_update_posted>
  <responsible_party>
    <responsible_party_type>Principal Investigator</responsible_party_type>
    <investigator_affiliation>University Hospital Tuebingen</investigator_affiliation>
    <investigator_full_name>Dr. Martin Leitritz</investigator_full_name>
    <investigator_title>PD Dr. med.</investigator_title>
  </responsible_party>
  <!-- Results have not yet been posted for this study                                          -->
</clinical_study>


download date: ClinicalTrials.gov processed this data on September 20, 2023
link text: Link to the current ClinicalTrials.gov record.
url: https://clinicaltrials.gov/ct2/show/NCT02978092
org study id: 3
nct id: NCT02978092
lead sponsor: 
Retrospective, analysis of three different methods to measure patients' pupil diameters
time perspective: Retrospective
measure: Pupils' diameter
time frame: September 2016
description: Measurement of patients pupil diameter with several methods
study pop: 
sampling method: Probability Sample
criteria: 
gender: All
minimum age: N/A
maximum age: N/A
responsible party type: Principal Investigator
investigator affiliation: University Hospital Tuebingen
investigator full name: Dr. Martin Leitritz
investigator title: PD Dr. med.