VISCO VISION INC revenue for the last year amounted to 3.67 B TWD, the most of which — 3.67 B TWD — came from its highest performing source at the moment, Contact Lenses, the year earlier bringing 2.39 B TWD. The greatest contribution to the revenue figure was made by Asia — last year it brought VISCO VISION INC 2.24 B TWD, and the year before that — 1.29 B TWD.