Rethinking the Process of Vision

It follows from the teaching of this work that the observed distribution of cones and rods on the biological retina that has evolved is the spatial representation of the electromagnetic spectrum of the visible band. [… More»]

A lesson of this work may lead to a new definition of a pigment molecule. I might propose that such an “optical wavelength-defining color center” is composed of a quantum-confined electron center (the “absorbing mass”) surrounded by a space whose dimensions (”optical antenna dimensions”) determine the wavelength of optical interaction. [… More»]

Hopefully without distracting from my thoughts about vision and the eye, I some time ago proposed that photosensitive chloroplast organelles of green plants (and, more generally, all photosensitive plants and algae) evolved to use the same type of physics-based nanostructural effect that I have identified as fundamental to light interaction with the retina of the eye. [… More»]

The retina in effect performs a “three color separation” in detecting the visible spectrum (the range of wavelengths of the electromagnetic spectrum available to the eye). [… More»]

I propose that the primary role of genetic mechanisms in determining the vision process (color blindness, the belief that blue sensitive cones exist, etc.) is through alteration of the dimensions (I think primarily diameter) of receptor inner segments. [… More»]

Evolution has geometrically equated the response of the retina to light to agree with refraction within the eye - there is nothing more to it than this! [… More»]

I have noted in this work that I believe (and have experimentally shown) that the same light interactive mechanism that I propose to be operative in the retina of the eye and in other biologically evolved photosynthetic structures has also been demonstrated in the solid state in an unexpected visible light interaction with the surface nanostructure of recently (1991) discovered “porous silicon”. [… More»]

I have noted (in the literature!) that one side effect of the drug Viagra is a temporary bluish cast to vision. [… More»]