make eye can see around you. light that bounces off objects that you see on the sensor in the eye that sends messages to the brain. brain reading messages and form a picture that you can see. only a small portion visible eye because the eye is located in the bag in the skull bone.

when he saw something, light passes through the clear cornea in the eye sight, then passes through the lens opaque cornea and lens focus the light gingga formed inverted clear shadow on the retina at the back of the eye. sensors in the retina detect shadows and send messages through the optic nerve to the brain where the shadow looks upside down.