<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/NCT01678729</url>
  </required_header>
  <id_info>
    <org_study_id>0049-12-ZIV</org_study_id>
    <nct_id>NCT01678729</nct_id>
  </id_info>
  <brief_title>Does Pupil Size Matters in Refractive Surgery?</brief_title>
  <sponsors>
    <lead_sponsor>
      <agency>Ziv Hospital</agency>
      <agency_class>Other</agency_class>
    </lead_sponsor>
  </sponsors>
  <source>Ziv Hospital</source>
  <brief_summary>
    <textblock>
      To determine the influence of pupil size in refractive surgery. If any influence exist.&#xD;
    </textblock>
  </brief_summary>
  <overall_status>Unknown status</overall_status>
  <last_known_status>Active, not recruiting</last_known_status>
  <start_date>January 2009</start_date>
  <study_type>Observational</study_type>
  <has_expanded_access>No</has_expanded_access>
  <study_design_info>
    <observational_model>Cohort</observational_model>
    <time_perspective>Retrospective</time_perspective>
  </study_design_info>
  <enrollment type="Anticipated">60</enrollment>
  <condition>Myopia</condition>
  <eligibility>
    <study_pop>
      <textblock>
        myopic patiens who did refractive surgery&#xD;
      </textblock>
    </study_pop>
    <sampling_method>Probability Sample</sampling_method>
    <criteria>
      <textblock>
        Inclusion Criteria:&#xD;
&#xD;
        - above 18 years suffers from myopia&#xD;
&#xD;
        Exclusion Criteria:&#xD;
&#xD;
        - suffer from keratoconus younger than 18 years old had previous eye surgery.&#xD;
      </textblock>
    </criteria>
    <gender>All</gender>
    <minimum_age>18 Years</minimum_age>
    <maximum_age>N/A</maximum_age>
    <healthy_volunteers>Accepts Healthy Volunteers</healthy_volunteers>
  </eligibility>
  <verification_date>August 2012</verification_date>
  <study_first_submitted>August 30, 2012</study_first_submitted>
  <study_first_submitted_qc>September 4, 2012</study_first_submitted_qc>
  <study_first_posted type="Estimate">September 5, 2012</study_first_posted>
  <last_update_submitted>September 4, 2012</last_update_submitted>
  <last_update_submitted_qc>September 4, 2012</last_update_submitted_qc>
  <last_update_posted type="Estimate">September 5, 2012</last_update_posted>
  <responsible_party>
    <responsible_party_type>Sponsor</responsible_party_type>
  </responsible_party>
  <keyword>refractive surgery</keyword>
  <keyword>pupil</keyword>
  <keyword>Pupil size</keyword>
  <condition_browse>
    <!-- CAUTION:  The following MeSH terms are assigned with an imperfect algorithm            -->
    <mesh_term>Myopia</mesh_term>
  </condition_browse>
  <!-- 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/NCT01678729
org study id: 0049-12-ZIV
nct id: NCT01678729
lead sponsor: 
To determine the influence of pupil size in refractive surgery. If any influence exist.
observational model: Cohort
time perspective: Retrospective
study pop: 
sampling method: Probability Sample
criteria: 
gender: All
minimum age: 18 Years
maximum age: N/A
healthy volunteers: Accepts Healthy Volunteers
responsible party type: Sponsor
mesh term: Myopia