The parts of the eyes and their functions

It is the part of the body that is used for seeing.

• nose

• eye

• tongue

• ear

The hairs above your eyes that prevent sweat, dust, and dirt on your forehead from entering your eyes.

• eyelids

• eyebrows

• eyelashes

• iris

The front parts of the eyes that open and close. These will also keep your eyes from drying since they produce tears to wash away the dust that enters your eyes.

• eyebrows

• iris

• eyashes

• eyelids

The hairs attached at the tip of your eyelids and prevent dust and other particles that may enter your eyes.

• eyelashes

• iris

• sclera

• pupil

It is tough and flexible and lets your eye move so you are able to see some objects if needed. It also maintains the round shape of the eyeball.

• iris

• sclera

• pupil

• cornea

It contains pigments that give the eye its color. It has a muscle that dilates the pupil.

• sclera

• pupil

• iris

• cornea

It appears as a black dot in the middle of your eyes. It is a hole where light passes through.

• pupil

• sclera

• iris

• cornea

It is the outer covering of your eyes. It also protects the eye from particles that may damage the inner parts of your eyes and allows eye to focus on light effectively.

• sclera

• iris

• pupil

• cornea

It is found right behind the pupil and focuses the light that enters through the pupil.

• lens

• aqueous humor

• vitreous humor

• retina

These muscles allow the shape of the lens to change.

• vitreous humor

• aqueous humor

• ciliary muscles

• optic nerve