by Dr Dan Waniek, MD
Copyright © 2006 danwaniek.org
This anatomical entity could be a functional unit for non-visual processing of light information. It would provide homeostatic messages to the brain, not in the form of images, by physiological mechanisms that are still to be discovered.
Fig. 5 : Pathways of Light in Sagittal Sections of the Anterior Pole.
The optical information is hypothetically coded by the radial transparency pattern of the iris in terms of intensity, position and specific local absorption of the transmitted light, and is received by the corresponding dentate process.