Grady E. Schleier

Part of Refocus Group, Inc., Presby Corp is a company that researches and develops treatments for eye disorders. The company is based in Dallas, TX. Presby was acquired by Refocus Group, Inc. on March 06, 2003.

Avatex Corp. is a holding company that, along with its subsidiaries, owns interests in other corporations and partnerships. It consolidated Chemlink Laboratories, LLC as a result of its control of the voting interests of Chemlink through its interest in Chemlink Acquisition Company, LLC. Chemlink is primarily engaged in the development, manufacture and distribution of effervescent tablet and granule formulations for consumers and businesses for use in cleaning, disinfecting and sterilization applications. The company was founded on September 27, 1982 and is headquartered in Dalllas, TX.