Escalon Medical Corp. (Escalon), operates in the healthcare market, specializing in the development, manufacture marketing and distribution of medical devices and pharmaceuticals in the areas of ophthalmology, diabetes and hematology. The Company�s segments include Escalon Clinical Diagnostics (ECD), Sonomed-Escalon and Escalon Medical Corp. The Escalon Clinical Diagnostics (ECD) segment consists of Drew Scientific, Inc., and its wholly owned subsidiaries JAS Diagnostics, Inc. (JAS) and Biocode Hycel (Biocode). The Sonomed-Escalon segment consists of Sonomed, EMI and Trek, all of which are engaged in the development and sale of Ophthalmic medical devices. The Escalon Medical Corp. segment includes the administrative corporate operations of the consolidated group. In October 2012, ERBA Diagnostics, Inc. acquired the Clinical Diagnostics Business from Escalon.