Myopia Prevalence in Canadian School Children - a Pilot Study

University of Waterloo1 site in 1 country173 target enrollmentDecember 2013

ConditionsMyopia

Overview

Phase: Not Applicable
Intervention: Not specified
Conditions: Myopia
Sponsor: University of Waterloo
Enrollment: 173
Locations: 1
Primary Endpoint: Number of children with spherical equivalent refraction of at least -0.50D in at least one eye
Status: Completed
Last Updated: 10 years ago

The goal of this study is to determine the prevalence of nearsightedness in Canadian school children living in the Waterloo Region.

Registry

clinicaltrials.gov

Start Date

December 2013

End Date

April 2015

Last Updated

10 years ago

Study Type

Observational

Sex

All

Sponsor

Responsible Party

Sponsor

•Has had a parent/legal guardian read the study consent form and who agrees to allow them to participate in the study by signing the consent form
•Has had the "letter of assent for children" explained to them, the child has agreed to participate and the letter has been signed by the study investigator and the child
•Has provided the completed Questionnaire (Appendix 4A for parents to complete on behalf of their children in school grades 1 and 2, 6 and 7; Appendix 4B for children to complete that are in school grades 11 and 12)
•Is currently in school grades 1 and 2, 6 and 7 or 11 and 12
•Is willing and able to follow instructions and maintain the appointment schedule

•Has not given verbal assent to participate
•Has known sensitivity to the diagnostic pharmaceuticals to be used in the study
•Has undergone refractive error surgery or orthokeratology
•Has serious medical disorders or eye diseases/abnormalities such as amblyopia and cataract or a cognitive inability to conduct the tests