[Diacaustic examination of the iridocorneal angle : Video article].

Background: Several methods are available for the examination of the iridocorneal angle: gonioscopy and imaging techniques, such as ultrasound biomicroscopy, optical coherence tomography and Scheimpflug photography play an important role in the diagnostics of glaucoma. There is, however, a need for simple, easily applicable methods for screening of the narrow iridocorneal angle in routine ophthalmological practice.

Purpose: To apply the diacaustic phenomenon in the examination of the iridocorneal angle, to describe the method and give its basic principles.