The Human Eye

1

lens

2

iris

3

pupil

4

cornea

5

retina

6

vitreous humor

7

optic nerve

8

aqueous humor

Cornea

the outer surface know as the ''window of the eye”

Aqueous Humor

water like that maintains pressure in the front portion of the eye

Iris

the colored portion of the eye and regulates the size of the pupil and amount of light entering the pupil

Pupil

opening in the middle of the iris and admits light

Lens

retracts/bend light rays to focus them onto the central fovea of the retina

Vitreous Humor

this is what light passes through before reaching the retina, it jelly like

Retina

inner layer of the eye, contains two main types of photoreceptors, the rod and the cone

Rod Photoreceptors

responsible for low-light and night vision

Cone Photoreceptors

detect color when active

Optic Nerve

nerve that transmits visual information from the retina to the brain, allowing you to see

Order of light passing through eye

1. cornea

2. aqueous humor

3. pupil

4. lens

5. vitreous humor

6. retina