Eye Anatomy

1. cranial nerve II sending signals from the retina to the occipital lobe in the brain for creation of a 3D image
4. another term for eyelid
6. photoreceptors that sense light more generally and provide peripheral and night vision
7. ducts just behind eyelids and produce a lubricating oily secretion called meibum
12. inner layer of the eye that contains photoreceptors
15. prevents perspiration from getting into eyes and shades from sunlight
16. transparent mucous member that lines the anterior surface of the eye and inside the eyelids
18. drains tears into nasal cavity

2. also called lacrimal fluid and includes mucus, antibodies, and lysozymes
3. contains sebaceous and sweat glands producing a white oily secretion
5. photoreceptors that sense color (come in red, green, and blue)
8. prevents dust and other materials from entering eye and elicits blink reflex
9. area of retina with greatest density of cones
10. eye opening
11. produces tears
13. central opening of the iris which allows light to enter posterior chamber
14. fibrous layer of eye appears white
17. colored portion of eye