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, BSN, PHN
Clinical Nurse Instructor

Emergency Room Registered Nurse
Critical Care Transport Nurse
Clinical Nurse Instructor for LVN and BSN students

Anna began writing extra materials to help her BSN and LVN students with their studies and writing nursing care plans. She takes the topics that the students are learning and expands on them to try to help with their understanding of the nursing process and help nursing students pass the NCLEX exams.

Her experience spans almost 30 years in nursing, starting as an LVN in 1993. She received her RN license in 1997. She has worked in Medical-Surgical, Telemetry, ICU and the ER. She found a passion in the ER and has stayed in this department for 30 years.

She is a clinical instructor for LVN and BSN students and a Emergency Room RN / Critical Care Transport Nurse.

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