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Arch Ophthalmol. 2008 Dec;126(12):1634-42. doi: 10.1001/archophthalmol.2008.107.

Patching vs atropine to treat amblyopia in children aged 7 to 12 years: a randomized trial.

Author information

  • 1Jaeb Center for Health Research, Tampa, FL 33647, USA. pedig@jaeb.org

Abstract

OBJECTIVE:

To compare patching with atropine eyedrops in the treatment of moderate amblyopia (visual acuity, 20/40-20/100) in children aged 7 to 12 years.

METHODS:

In a randomized, multicenter clinical trial, 193 children with amblyopia were assigned to receive weekend atropine or patching of the sound eye 2 hours per day. Main Outcome Measure Masked assessment of visual acuity in the amblyopic eye using the electronic Early Treatment Diabetic Retinopathy Study testing protocol at 17 weeks.

RESULTS:

At 17 weeks, visual acuity had improved from baseline by an average of 7.6 letters in the atropine group and 8.6 letters in the patching group. The mean difference between groups (patching - atropine) adjusted for baseline acuity was 1.2 letters (ends of complementary 1-sided 95% confidence intervals for noninferiority, -0.7, 3.1 letters). This difference met the prespecified definition for equivalence (confidence interval <5 letters). Visual acuity in the amblyopic eye was 20/25 or better in 15 participants in the atropine group (17%) and 20 in the patching group (24%; difference, 7%; 95% confidence interval, -3% to 17%).

CONCLUSIONS:

Treatment with atropine or patching led to similar degrees of improvement among 7- to 12-year-olds with moderate amblyopia. About 1 in 5 achieved visual acuity of 20/25 or better in the amblyopic eye.

CLINICAL RELEVANCE:

Atropine and patching achieve similar results among older children with unilateral amblyopia.

TRIAL REGISTRATION:

(clinicaltrials.gov) Identifier: NCT00315328.

PMID:
19064841
[PubMed - indexed for MEDLINE]
PMCID:
PMC2846774
Free PMC Article
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