Most EMRs don't have good visual design. Graphic artists, layout editors, and other visual communicators get taught the basic principles of visual design early in their careers. Most software engineers and managers may never get taught them. Here is a really terse presentation of 4 basic design principles that should go into every page design in an application.
The principles are: C.R.A.P.
One of my favorite Macintosh authors, Robin Williams, articulates these more fully in her book, Non-Designer's Design Book.
Check out this SlideShare Presentation to see good visual examples: