On its way to the cones and rods of the eye, (in order) light passes through the ________.
1) cornea, vitreous humor, lens, iris, aqueous humor
2) sclera, lens, pupil, iris, vitreous humor
3) cornea, aqueous humor, pupil, lens, vitreous humor
4) sclera, aqueous humor, lens, pupil, vitreous humor
5) retina, vitreous humor, lens, iris, aqueous humor, fovea