AMENDMENT Employment Agreement of James T. Ryaby

EXHIBIT 10.4

June 5, 2006

AMENDMENT
Employment Agreement of Xxxxx X. Xxxxx

     This Amendment is to the Employment Agreement between Xxxxx X. Xxxxx, Ph.D. and OrthoLogic Corp., dated June 1, 2001. Effective June 5, 2006 the base salary of Xxxxx X. Xxxxx, Ph.D. is increased to $270,000 per year.

/s/ Xxxx X. Xxxxxxxx, III

Xxxx X. Xxxxxxxx, III

Executive Chairman

/s/ Xxxxx X. Xxxxx, Ph.D.

Xxxxx X. Xxxxx, Ph.D.

Sr. VP, Chief Scientific Officer