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Rethinking the Process of Vision
A New Explanation for Light Interaction with the Retina of the Eye and the Vision Process
Previous post: The Same Mechanism Functions In Photosynthesizing Biological Organisms
Next post: An Exercise In Retinal Organization
This BBC video above "Colorful Notions" from 1985 first summarizes the classical theory of color vision and follows with the ideas of Edwin Land who personally explains and demonstrates his experiments. It can be viewed as an introduction to this work.
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The Living State And Vision
by Gerald Huth on September 12, 2005
As opposed to the traditional view where a tacit assumption is that information about the vision process can be elicited from such types of measurements as microspectrophotometry of dead retinal sections, it is a fundamental tenet of this model that the retina be in the living state for visible light interaction to function! Only in the living state can the required sub-optical wavelength separations between adjacent receptor outer segments be maintained. The living state is therefore associated with spatial order in the sub-optical wavelength region. Land’s color vision measurements were made externally using living subjects… and living retinas… and from such measurements he correctly deduced the details of the vision process.