Well, my thinking is going “outside-in”:
Backlit LCD, through which only desired photon excitations pass through the glass/plastic in front which does not have energy levels spaced one photon energy apart).
Then the air also does not have energy levels spaced one photon energy apart.
Then your cornea, 2mm pupil, lens and fluid, all of which should have minimal energy levels spaced one photon energy apart.
Finally, “light reaching your retina has a photon energy that matches the optical pigments in the M-cones. Thus the light is absorbed (in photon sized chunks) by exciting electrons in the optical pigments.”
Those electrons push a wave down your optic nerves where it breaks up into parts for further processing.
Power-law is “basic property of the universe” stuff, so if they found a power-law relationship it’s gold.
Hang on, ok, so this is about how saccading is compensating for the recovery time of cones after they get bleached by the light.
That process has always blown my mind.
Cones get bleached by a certain amount then recover quickly. Self-preservation. Homeostasis. A kind of elasticity conceptually.
A by-product of that bleaching is a a kind of pain response where something useful comes out of it.
But, before recovery of those cells, the eye saccades in order to get a sharper image, repeating the process for another group of cones.