Amblyopia lazy eye
Conditions
Interventions
Patients receive occlusion therapy (intervention) of the sound eye, three hours
per day/ seven days a week for 5 weeks and are instructed to perform near
visual activities while patching.
Sponsors
Medisch Centrum Haaglanden, locatie Westeinde
Eligibility
Age
2 Years to 99 Years
Inclusion criteria
Inclusion criteria: All patients between seven and forty years of age, diagnosed with amblyopia associated with strabismus and/ or anisometropia (anisometropia 1.0 D of spherical equivalent or >1.50 D difference in astigmatism in any meridian) will be eligible for the study.
Exclusion criteria
Exclusion criteria: Previous treatment for amblyopia (includes occlusion, or pharmacological defocusing), previous optical correction of the amblyopic eye, ocular cause for reduced visual acuity, diminished acuity due to medication, brain damage, or trauma, neurological disorders, and eye muscle palsies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary outcome parameter is visual acuity of the amblyopic eye five weeks after cessation of occlusion therapy. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcome parameters are cause of amblyopia, age at start occlusion therapy, fixation, visual acuity of the amblyopic eye at start and end of occlusion therapy, anisometropia, and aniseikonia. | — |
Countries
Netherlands
Outcome results
None listed