This site is dedicated to teaching gonioscopy through the use of videography. It covers the basic examination techniques and more advanced techniques, such as indentation and the corneal wedge. There are video examples of most glaucoma-related diseases. We hope that you find it to be educational.


Wallace L.M. Alward, MD


Frederick C. Blodi Chair in Ophthalmology
Director, Glaucoma Service
Department of Ophthalmology and Visual Sciences
University of Iowa Carver College of Medicine

Dedicated To E. Lee Allen


1910-2006
The world's premier gonioscopy artist,
inventor, scientist and dear friend.
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Site Credits


Video Production & Editing: Randall E. Verdick
Web Design: Jessica L. Bryant
Gonioscopy Artwork: E. Lee Allen
Additional Line Drawings: Eric N. Alward
Video Archivists: Molly Ouren & Drew Nelson