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Clinical Trial Summary

Two-month randomized trial comparing three groups.


Clinical Trial Description

Two-month randomized non-inferiority trial (the margin of non-inferiority is 20%) comparing three groups: self-refraction with adjustable glasses, receiving adjustable glasses; subjective refraction by an expert refractionist after computer optometry and receiving custom standard glasses; subjective refraction by an expert refractionist after computer optometry and receiving ready-made glasses. The main outcome of this study is the rate of glasses wear on twice-weekly covert evaluation by head teachers. And the continuous teacher assessment of wearing study glasses will be calculated as the number of times wearing glasses/ Total number of separate observations. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02529540
Study type Interventional
Source Sun Yat-sen University
Contact
Status Completed
Phase N/A
Start date September 1, 2015
Completion date June 1, 2016

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