Status:
COMPLETED
Assessment of Bifocal and Prismatic Bifocal Spectacles for Myopia Control in Children
Lead Sponsor:
Essilor International
Collaborating Sponsors:
Queensland University of Technology
Conditions:
Myopia
Eligibility:
All Genders
8-13 years
Phase:
NA
Brief Summary
1. To determine if the effect of near-addition lenses (bifocals) is more prominent for children with high myopia progression. 2. To study how different subject characteristics such as age, gender, bas...
Eligibility Criteria
Inclusion
- Age: 8 to 13 years
- Myopia: -1.00 to -5.00 D
- Myopia progression: at least 0.50 D/yr
- Astigmatism and anisometropia: not more than 1.50 D
- Distance monocular visual acuity: 6/6 or better
- Near monocular visual acuity: 0.4 M or better
- Stereoacuity: not more than 40 sec of arc at 40 cm
Exclusion
- Strabismus
- Ocular diseases
Key Trial Info
Start Date :
April 1 2003
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
Estimated Enrollment :
135 Patients enrolled
Trial Details
Trial ID
NCT00787579
Start Date
April 1 2003
Last Update
November 7 2008
Active Locations (1)
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1
Dr. Desmond Cheng & Associates
Mississauga, Ontario, Canada, L5N 7G5