Status:

COMPLETED

A Patch Free Treatment for Young Children With Amblyopia

Lead Sponsor:

University of Waterloo

Collaborating Sponsors:

Retina Foundation of the Southwest

McGill University

Conditions:

Amblyopia

Binocular Vision Disorder

Eligibility:

All Genders

36-83 years

Phase:

NA

Brief Summary

The purpose of this study is to test whether a binocular treatment can improve vision and motor function in young children with amblyopia. The proposed treatment is an animation series that has been m...

Detailed Description

This is a prospective study with study sites in Ontario, Canada (University of Waterloo); Quebec, Canada (University of McGill); Texas, United States of America (Retina Foundation of the Southwest); a...

Eligibility Criteria

Inclusion

  • Aged 3-5.9 years old (36-83 months at the time of registration)
  • Confirmed diagnosis of amblyopia
  • Best-corrected visual acuity of 20/32 - 20/100 in the amblyopic eye
  • Best-corrected visual acuity of 20/16 - 20/40 in fellow eye for ages 3-4, and 20/16-20/32 for ages 5-5.9
  • Interocular difference in visual acuity of 3 lines or greater
  • If anisometropic, anisometropia (≥1.00D)
  • Wearing glasses for 8+ weeks + no change in VA w/ glasses for 4-6 weeks
  • Must be able to experience simultaneous perception when viewing the binocular treatment stimuli with an appropriate interocular contrast offset
  • Doctor and parent must be willing to forego patching/drops for 4 week study period

Exclusion

  • strabismus
  • Diagnosed eye disease or visual disorder other than amblyopia or anisometropia
  • \>8 weeks premature
  • Diagnosed or suspected developmental delay (eg. learning disability, autism, Down syndrome)
  • Diagnosed systemic disease (eg. diabetes, lupus, albinism)

Key Trial Info

Start Date :

January 13 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 30 2023

Estimated Enrollment :

34 Patients enrolled

Trial Details

Trial ID

NCT04086524

Start Date

January 13 2020

End Date

November 30 2023

Last Update

March 12 2024

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Retina Foundation of the Southwest

Dallas, Texas, United States, 75231

2

Queensland University of Technology

Brisbane, Queesnland, Australia, 4000