University of Western Ontario: Tutis Vilis' "Physiology of the Senses: The Eye"
The article covers visual perception and provides information regarding the anatomy and physiology of the eye and how it relates to vision.
Click https://s3.amazonaws.com/saylordotorg-resources/wwwresources/site/wp-content/uploads/2010/11/OntarioU-The-Eye.pdf link to open resource.