.... "In my opinion Don Keller is a rare individual in today's world. He combines incredible

artistic ability with attention to details, and a thorough knowledge of the human eye."

Frederick M. Kapetansky, MD

Clinical Professor, Ophthalmology

The Ohio State University

The quality of my illustrations in this glaucoma section of my website has been somewhat

compromised, due to the fact that the digital scans of the illustrations were made from the

published, printed pages which inherently minimizes the detail.

Fortunately, with some determination and an extensive learning curve, I managed to retain and

apply my traditional medical illustration techniques to the electronic paintbrush…

If you are interested in viewing some of my electric paintbrush illustrations please see the

gonioscopy study…… and other non-medical topics at this website such as the the golf section..