Myopia Prevalence in Canadian School Children - a Pilot Study

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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Key information

Conditions

Myopia Eye Diseases Refractive Errors

Age range

6 year–18 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Centre for Contact Lens Research

Waterloo, Ontario, N2L3G1, Canada

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Primary outcomes

Number of children with spherical equivalent refraction of at least -0.50D in at least one eye

Time frame: Day1

Sponsors and collaborators

Lead sponsor

University of Waterloo

Other

Registry information

Acronym: Falcon

Important dates

Study start: 2013
Primary completion: 2015
Study completion: 2015
First posted: Sep 13, 2013
Registry last updated: Jul 20, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed