>>11395668Light hits chemicals in your eyes, that are on the retinal nerves.
When the light hits it is absorbed by the molecule which is destroyed releasing energy that the retinal nerve is triggered by.
It's not a directly light sensitive nerve. It's chemically augmented.
Dogs and cats can see magnetic fields.
Their retina chemicals are a little different. Tuned to a different frequency of electromagnetic radiation. Eagles see in UV to see mammal urine.
Snakes see in infra red to see mammals.
