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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Exp Eye Res. 2016 Jun 11;158:171–186. doi: 10.1016/j.exer.2016.06.007

Fig. 2.

Fig. 2

Pulsatile aqueous movement along a collector channel viewed in vivo with a gonioscopy lens. Parallel white lines above the area of the trabecular meshwork (TM) depict the course of movement of blood-tinged aqueous (white arrows) along an aqueous vein in sequential video frames encompassing one systolic pulse wave. A–C (Gonioscopic video courtesy of R. Stegmann). From: Johnstone MA. A New Model Describes an Aqueous Outflow Pump and Explores Causes of Pump Failure in Glaucoma. In: Grehn H, Stamper R, editors. Essentials in Ophthalmology: Glaucoma II. Heidelberg: Springer, 2006.