eye 1a: 1 optic nerve, 2 blind spot, 3 fovea, 4 sclera, 5 choroid, 6 retina, 7 ciliary body, 8 posterior chamber, 9 anterior chamber, 10 cornea, 11 lens, 12 iris, 13 suspensory ligament, 14 conjunctiva, 15 vitreous humor