Abstract
To determine the effectiveness and side effects of full-time occlusion for the treatment of amblyopia. Patients with unilateral amblyopia secondary to strabismus, anisometropia, or a combination of the two were retrospective reviewed. All patients had full-time occlusion encompassing 24 hours per day or all waking hours, followed to a defined endpoint. Success was defined as 20/30 or better or equal visual acuity by fixation pattern between the two eyes. The ultimate goal was equal visual acuity. Six hundred patients fit the inclusion criteria. Mean follow-up after the cessation of full-time patching was 7.2 years. Eighty-nine percent were followed for more than 1 year. Mean age at last follow-up visit was 10.82 years. Ninety-six percent of patients attained a successful visual result. Sixty percent attained equal visual acuity. Younger patients required less occlusion time to endpoint and had a better visual outcome ( P < 0.0001). Initial visual acuity was significantly related to best visual acuity attained ( P < 0.0001). The incidence of occlusion amblyopia was 25.8%. Full-time occlusion produces excellent visual acuity results. It was shown to be effective with no long-term complications if patients proceed as directed.
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