Binocular Amblyopia Treatment

ConditionAmblyopia
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age4-10
SponsorRetina Foundation of the Southwest

About this trial

To evaluate the effectiveness of enhanced binocular amblyopia treatments in achieving a more complete and stable recovery.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

age 4-10 y

male and female

strabismic, anisometropic, or combined mechanism amblyopia

amblyopic eye best-corrected visual acuity 0.3-0.8 logMAR

Disqualifiers

prematurity ≥8 weeks

coexisting ocular or systemic disease

developmental delay

strabismus >5pd

Trial design

Design model

Parallel

Treatments tested in this trial

  • Binocular games for treatment of amblyopia

    Other intervention

    playing binocular games on a tablet platform 1 hour per day 5 days per week with reduced contrast for the fellow eye and high contrast for the amblyopic eye

Treatment groups

120 Participants
are divided into 3 treatment groups
Group A: Standard Contrast IncrementActive comparator 1 intervention
Group B: Reduced Contrast IncrementExperimental treatment 1 intervention
Group C: No Contrast IncrementExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Change in visual acuity of the amblyopic eye

ATS-HOTV for age 4-6.9 years or E-ETDRS for age 7-10.9 years

Time frame
baseline vs 8 weeks

Secondary outcomes

1

Change in visual acuity of the amblyopic eye

ATS-HOTV for age 4-6.9 years or E-ETDRS for age 7-10.9 years

Time frame
baseline vs 2, 4, 6, and 12 weeks
2

Change in stereoacuity

Randot Preschool Stereoacuity Test

Time frame
baseline vs 2, 4, 6, 8, 12 weeks
3

Change in suppression

Dichoptic Letter Chart

Time frame
baseline vs 2, 4, 6, 8, 12 weeks

Other outcomes

1

Change in accommodation

Accuracy of accommodation to a near target (Grand Seiko)

Time frame
baseline vs 8 week
2

Change in motion perception

Motion-defined form

Time frame
baseline vs 8 weeks
3

Change in fixation stability

Bivariate contour ellipse area

Time frame
baseline vs 8 weeks
4

Reading speed

Reading speed in wpm

Time frame
baseline vs 4 and 8 weeks

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Retina Foundation of the Southwest

Lead sponsor

National Eye Institute (NEI)

Collaborator