| Number |
Structure |
| 1 |
optic
nerve |
| 2 |
vitreous
humor |
| 3 |
lens |
| 4 |
iris
(pigmented) |
| 5 |
pupil |
| 6 |
cornea
(transparent) |
| 7 |
sclera |
| 8 |
choroid |
