Special Senses: Eyes – Functions

Anterior Chamber; Filled with aqueous humor

Aqueous Humor; Nourishes cornea/lens

Choroid; nourishes retina

Ciliary Body; Controls lens shape

Ciliary Processes; Produce aqueous humor

Cornea; Refraction; protective

Extrinsic Eye Muscles; Control eye movement

Fovea Centralis; Sharpest vision

Iris; Controls pupil size

Lacrimal Gland; Produces tears

Lens; Focuses light

Macula Lutea High acuity vision

Optic Disc- Blind spot.

Optic Nerve; Transmits visual signals

Posterior Cavity, Filled with vitreous humor holds the retina in place

Posterior Chamber; drainage of aqueous humor

Pupil; Opening for light

Retina; capture light focused by the eye's lens

Sclera; protective outer layer

Vitreous Humor; Maintains shape

Inferior Oblique – Elevates eye and turns it laterally.

Inferior Rectus – Depresses eye and turns it medially.

Lateral Rectus – Moves eye laterally

Medial Rectus – Moves eye medially

Superior Oblique – Depresses the eye and turns it laterally

Superior Rectus – Elevates eye and turns it medially