Myopia Prevalence in Canadian School Children - a Pilot Study
Completed
- Conditions
- Myopia
- Registration Number
- NCT01942057
- Lead Sponsor
- University of Waterloo
- Brief Summary
The goal of this study is to determine the prevalence of nearsightedness in Canadian school children living in the Waterloo Region.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 173
Inclusion Criteria
- 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
Exclusion Criteria
- 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
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Number of children with spherical equivalent refraction of at least -0.50D in at least one eye Day1
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Centre for Contact Lens Research
🇨🇦Waterloo, Ontario, Canada