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In this paper, the authors present the results of Flicker stimulation therapy in functional visual deficits secondary to occipital cortex lesions of miscellaneous origins. They formulate the hypothesis that the functional response obtained is subordinate to a variation or an integration of the macular cortical representation seat. Four cases were examined and the results obtained are significant.

A variety of cells are involved in the pathogenesis of amblyopia : ON, OFF, ON-OFF cells, postsynaptic cells, neurons of striate cortex and the select interest of the macula. The need for stimulation of these cells in treating amblyopia forms the theoretical basis of the Flicker stimulator with red monochromatic light (LED, 655 nm). The authors present a clinical investigation on 35 subjects with anisometropic or strabismic amblyopia, before extensive treatment with classic anti-amblyopic techniques without satisfactory improvement obtaining significant statistical results (p less than 0,001).