i don't have a perfect knowledge of science but i think i have a basic handle on how light and the eye works. Photons are reflected from objects. These photons enter your eye and the lens in your eye focuses these photons onto the rods and cones in the back your eye. Your brain interprets this as an image… But what happens to the photons that are hitting the rods and cones? Does your body just absorb them or are they reflected back out of your eye after they hit the rods and cones?
Read more: What happens to light when it enters your eye?