Smartphone use and the risk of myopia in adolescents

Completed

• Conditions: myopia; nearsightedness; 10047060

• Registration Number: NL-OMON46700
• Lead Sponsor: Erasmus MC, Universitair Medisch Centrum Rotterdam

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 15 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 500

Inclusion Criteria

Teenagers aged 12 to 16 years old.
Written informed consent from participating teenagers and their parents/guardians.

Exclusion Criteria

Younger than the age of 12 years or older than the age of 16 years.
No written informed consent from the participant or parents/guardians.

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The primary determinant of this study is total and continuous time per day of<br /><br>smartphone use. Primary outcome measures are cycloplegic refractive error<br /><br>provided as spherical equivalent (SE) and myopia (SE worse than -0.50) yes/no.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Secondary determinants are reading distance, screen brightness and illuminance<br /><br>while using the smartphone. Secondary outcome measures are the optical<br /><br>components axial length, corneal curvature, corneal thickness, anterior chamber<br /><br>depth, and lens thickness. </p><br>