Corridor Business Journal: IDx, a University of Iowa spinout company based in Coralville, has received FDA approval to market IDx-DR, the  first medical device to use artificial intelligence to detect greater than a mild level of the eye disease diabetic retinopathy in adults who have diabetes. IDx recently announced a move to larger quarters in the Oakdale Research Park in Coralville and plans to expand staff as it commercializes IDx-DR.