The retina in the human eye helps to produce an image and converts it into nerve signals.
Known as the Sclera, the "white" of the eyes is a coat of dense connective tissue that covers all of the eyeball except for the cornea. It helps protect the eye against diseases and keeps the eye...
for 1/16th of a second an image persist on retina of human eye
Retina nerves send messages to your brain; to tell what you are seeing.