light passes through the eye
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step 3
retina contains specialized cells that are sensitive to the light called rods and cones
step 1
the light passes through the cornea first and brings focus to the light rays
step 2
then the light passes through the pupil an hits the lens of the eye which then hits the retina
step 4
when the cornea and lens focus the light into the retina and the cells are stimulated and sends signals to the brain