____    ____    __  ____    ______  ____  ____   _  ______    __    ______  __ __   __
|    \  |    \  /  ||    \  |___   ||    ||    \ | ||   ___| _|  |_ |   ___| \ ` / _|  |_
|     \ |     \/   ||     \  .-`.-` |    ||     \| ||   |  ||_    _||   ___| /   \|_    _|
|__|\__\|__/\__/|__||__|\__\|______||____||__/\____||______|  |__|  |______|/__/\_\ |__|
TO PROVE HOW OBJECTS REACH THE EYE.

If you look at the sun or some other luminous body and then shut your eyes you will see it again inside your eye for a long time. This is evidence that images enter into the eye.

The relations of the distance points to the vanishing point