You completely missed the point. The oscillation of incoming photons is what allows the photoreceptors to send distinguishable patterns to the brain. You can sa

You completely missed the point. The oscillation of incoming photons is what allows the photoreceptors to send distinguishable patterns to the brain. You can say that the oscillation "starts" in the light waves or in the chemical reactions. It doesn't matter - the point was that vision requires change just like audition.