Techniques for Difficult Angles

Sometimes the iridocorneal angle is quite confusing, even for a seasoned examiner. Often the angle is difficult to interpret because there is too much or too little angle pigmentation. The techniques below can be helpful when the view during routine gonioscopy is challenging.

Examine the inferior angle Look over the hill Corneal Wedge (Parallelopiped) Indentation (Dynamic) Gonioscopy Examine the other eye Van Herick Test

 

All paintings by Lee Allen, © University of Iowa.