in humans, specialized sense organ capable of receiving visual images, which are then carried to the brain.
Anatomy of the visual apparatus
Structures auxiliary to the eye
1_The orbit
2_The eyelids
3_The conjunctiva
4_The fibrous layer
5_The muscles of the lids
6_The skin
7_The glandular apparatus
8_The retina
9_The transparent media
10_The aqueous humour
And many more, you can visit this site and explore