OU = Both eyes
OD = Right eye
OS = Left eye
Anatomy of the eye
Retina: Layer of the receptor cells at the back of the eye on which an image is focused.
Lens: a flexible structure that focuses light that has entered the eye
Pupil: the opening through which light enters the eye.
Iris: the circular structure that surrounds the pupil and regulates the amount of light entering the eye.
Cornea: the clear tissue that covers the front of the eye.
Cones: a type of photoreceptor that processes finely detailed images and colors.
Rods: a type of photoreceptor that processes light and dark images.
Sclera: the outer, white layer of the eye.
Aqueous Humor: the clear fluid that fills the anterior chamber of the eye.
Vitreous Humor: a natural gel that fills the back of the eye.
Optic Nerve: the part of the eye that carries visual information from the eyeball to the brain.
Choroid: a layer of blood vessels located between the retina and sclera.