External Eye Anatomy

Tap on the image or pinch out and pinch in to resize the image. The iris is part of the uveal tractthe middle layer of the wall of the eye.

Eye Anatomy And How The Eye Works

The lens then changes shape to allow the accurate focusing of light on the retina.

External eye anatomy. The human eye ball is spherical in structure and is about 24 mm in a diameter. These muscles move the eye up and down and side to side and rotate the eye. Learn vocabulary terms and more with flashcards games and other study tools.

Malfunction in any part of the system can cause serious complications. Low to high sort by price. It is the most visible part of the eye.

Human eye parts 1. The extraocular muscles are attached to the white part of the eye called the sclera. The eye sits in a protective bony socket called the orbit.

Oval opening in the upper lid margin where tears enter to flow to the lacrimal sac. Home eye anatomy illustrations external eye anatomy showing 112 of 15 results default sorting sort by popularity sort by average rating sort by newness sort by price. Start studying external eye anatomy.

The cornea allows light to enter the eye. Six extraocular muscles in the orbit are attached to the eye. Lacrimal system tear drainage system the lacrimal system is crucial for tear production and management which includes distribution of tears and draining excess tears.

The eye is surrounded by the orbital bones and is cushioned by pads of fat within the orbital socket. Nerve signals that contain visual information are transmitted through the optic nerve to the brain. It lies in front of the crystalline lens and separates the anterior chamber from the posterior chamber.

As light passes through the eye the iris changes shape by expanding and letting more light through or constricting and letting less light through to change pupil size. The structure of the human eye is made of three layers. The iris is the colored part of the eye that controls the amount of light that enters into the eye.

Much less important than the lower punctum. Modified sweat glands between lashes. Extraocular muscles help move the eye in different directions.

Anatomy of the eye. Click on a label to display the definition. This is a strong layer of tissue that covers nearly the entire surface of the eyeball.

The outer fibrous or sclera 2. Six muscles attach to the outer surface of the eye and produce mucous membrane that lines the eyelids and outer surface of th two movableshades that further protect the eye from injury st modified sebaceous glands lubricates eye.

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