Eye Anatomy

Do you know how your eyes work? It's pretty cool what these little (but vital) organs can do. Explore how your eyes help you see the world around you.

Rods and cones the photoreceptors of the eye

Eye Cones: Types, Functions, and Related Conditions

By Maxine Lipner

Closeup of bloodshot red eye

Conjunctiva: Anatomy, Function, and Treatment

Medically reviewed by Johnstone M. Kim, MD

Macular Degeneration

Macula: Anatomy, Function, and Significance

By Troy Bedinghaus, OD

a hazel eye reflecting the beam of a laser scanner

The Optic Chiasm and How It Affects Vision

Medically reviewed by Bryan M. Wolynski, OD

Eye close-up Close-up of woman's eye and eyelashes.

An Overview of the Eye's Iris

Medically reviewed by Ami A. Shah, MD

Extreme close up of woman's eye

The Anatomy of the Eye and How It Works

Medically reviewed by Ami A. Shah, MD

Extreme Close-Up Of Human Eye

The Purpose of Pupils in Our Eyes

Medically reviewed by Ami A. Shah, MD

An image of a normal retina

The Anatomy of the Retina

Medically reviewed by David R. Watt, MD

Eyelid Functions and Common Disorders

Medically reviewed by Johnstone M. Kim, MD

Structure of the eye

The Function of the Sclera in a Human Eye

Medically reviewed by Ami A. Shah, MD

What Is the Choroid of the Eye?

Medically reviewed by Johnstone M. Kim, MD

a man getting an eye exam

Red-Green Color Blindness: Overview and More

Medically reviewed by Johnstone M. Kim, MD

Anatomy of the Eye

By Troy Bedinghaus, OD

A close-up of an older man's eyes.

Charles Bonnet Syndrome: Symptoms, Causes, Diagnosis, and Treatment

Medically reviewed by Johnstone M. Kim, MD