Myopia Prevalence in Canadian School Children

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

173 participants

Study Classification

OBSERVATIONAL

Study Start Date

2013-12-31

Study Completion Date

2015-04-30

Brief Summary

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

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Detailed Description

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Conditions

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Myopia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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School Grades 1+2

Children currently enrolled in grades 1 and 2

No interventions assigned to this group

School Grades 6+7

Children currently enrolled in grades 6 and 7

No interventions assigned to this group

School Grades 11+12

Children currently enrolled in grades 11 and 12

No interventions assigned to this group

Eligibility Criteria

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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

Minimum Eligible Age

6 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes