VISCO VISION INC revenue for the last year amounted to 2.40 B TWD, the most of which — 2.39 B TWD — came from its highest performing source at the moment, Contact Lens, the year earlier bringing 2.77 B TWD. The greatest contribution to the revenue figure was made by Asia — last year it brought VISCO VISION INC 1.29 B TWD, and the year before that — 1.64 B TWD.