Which of the following gives the correct path for light rays entering the human eye?
a. Sclera, retina, choroid, lens, cornea
b. Fovea centralis, pupil, aqueous humor, lens
c. Cornea, pupil, lens, vitreous humor, retina
d. Cornea, fovea centralis, lens, choroid, rods
e. Optic nerve, sclera, choroid, retina, humors