CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 135 enrolled
Drug / intervention
Bifocal spectacles +1 moredevice
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00787579
NCT00787579N/ACompleted
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Assessment of Bifocal and Prismatic Bifocal Spectacles for Myopia Control in Children

Essilor International·interventional·Posted Nov 7, 2008·Updated Nov 7, 2008

In Brief

A clinical study evaluating Bifocal spectacles and Prismatic bifocal spectacles for Myopia. Completed, enrolled 135 participants across 1 site.

Detailed 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, baseline degree of myopia, baseline near phoria and baseline lag of accommodation affect the efficacy of bifocal lens wear in myopic children. 3. To investigate the effect of incorporating near base-in prisms along with the near-addition lenses (prismatic bifocals) on myopia progression in myopic children.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsMyopia
CountriesCanada
CollaboratorsQueensland University of Technology

Timeline

N/ACompletedFinished
2003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedNov 7, 2008
Enrollment StartApr 1, 2003
Primary CompletionApr 1, 2008
TodayJul 2, 2026
Enrollment to primary: 5 yearsPosted 17.7 years ago

Interventions

Bifocal spectaclesdevice

+1.50D bifocal spectacles

Prismatic bifocal spectaclesdevice

+1.50D bifocal spectacles combined with 3Δ base-in prisms