Fill in the blаnks: cerebrum, cerebellum, cоnes, cоrneа, frоntаl, parietal, pupil, retina, rods, occipital, optic nerve, temporal, sclera, vitreous humor. Not all words will be used. To be perceived by the brain, light must first go through the transparent _______ at the anterior of the eye, and then through the dark circular opening called the _______ . The lens focuses the light. In the posterior part of the eye, the light travels through the clear _______ (two words), then is focused on the light-absorbing _______ . Two kinds of specialized cells absorb the light: _______ , which can absorb colors well, and _______ , which do better at absorbing fine detail in low light. The information is passed on to the back of the brain, specifically the _______ lobe of the _______