Anatomy & Physiology of the Eye

Anterior Chamber

The area bounded in front by the cornea and in the back by the lens and filled with aqueous humor, providing nutrients and maintaining intraocular pressure.

Aqueous Humor

A clear, watery solution in the anterior and posterior chambers

Artery(Central Retinal Artery)

the vessel supplying blood to the eye

Canal of Schlemm

The passageway for the aqueous fluid to leave the eye

Choroid

carries blood vessels and is the inner coat between the sclera and the retina

Ciliary Body

unseen part of the iris, together with the ora serrata form the uveal tract. Jobs include making aqueous fluid and controlling the muscle that lets your lens change shape to focus on what you’re seeing.

Conjunctiva

A clear membrane covering the white of the eye (sclera)

Cornea

a clear, transparent portion of the outer coat of the eyeball through which light passes to the lens. It acts as the main focusing lens of the eye.

Iris

Provides eye color and functions like the aperture on a camera, enlarging in dim light, and contracting in bright light. The aperture itself is known as the pupil

Lens

Helps focus light on the retina

Macula

A small area in the retina that provides our most central acute vision

Optic nerve

transmits visual impulses to the brain from the retina

Ora serrata and the Ciliary body

form the uveal tract, an unseen part of the iris

Posterior Chamber

Located behind the iris, in front of the lens, filled with aqueous

Pupil

the opening, or aperture, of the iris

Rectus medialis

one of the six extra ocular muscles of the eye

Retina

The innermost coat of the back of the eye, formed of light-sensitive nerve endings that carry the visual impulse to the optic nerve. The retina may be compared to the film of a camera

Sclera

The white portion of the eye

Vein

The vessel that carries blood away from the eye

Vitreous

a transparent, colorless mass of soft gelatinous material filling the posterior chamber.