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.



Photo of author

Anna Curran. RN, BSN, PHN

Anna Curran. RN-BC, BSN, PHN, CMSRN I am a Critical Care ER nurse. I have been in this field for over 30 years. I also began teaching BSN and LVN students and found that by writing additional study guides helped their knowledge base, especially when it was time to take the NCLEX examinations.

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