EFFECTS OF GRATING STIMULATION ON VISUAL ACUITY IN AMBLYOPIA

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Abstract
Thirty‐one children with amblyopia were treated with CAM vision stimulation. Twenty‐one of them had previously been treated with conventional methods but failed to improve further. The conventional therapy was continued during and after CAM. Grating stimulation was the first treatment attempted for the rest of the children. Most children in both groups showed improved distance visual acuity after CAM‐treatment and no one suffered a loss. The average visual acuity improvement was the same in both groups of children and did not vary with age. The improvement amounted to about 50% of the visual acuity before CAM, irrespective of the pre‐treatment acuity level. We conclude that CAM‐stimulation can be useful in cases where occlusion or other amblyopia treatment has failed, but that some form of treatment must be continued if visual acuity is to be maintained after the CAM‐treatment period.