The Eyes Anatomy and Memory Aid

The Eyes

Here is a quick picture on the eyes and the abbreviations that go with them.
The Eyes


















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.




Anna C. RN-BC, BSN, PHN, CMSRN Anna began writing extra materials to help her BSN and LVN students with their studies. She takes the topics that the students are learning and expands on them to try to help with their understanding of the nursing process. She is a clinical instructor for LVN and BSN students along with a critical care transport nurse.

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