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Iris

Eyelashes

Eyelid

Optic nerve

Vitreous humour

Lacrimal glands

Sclera

Cristaline lens

Pupil

Aqueous humour

Fovea

Retina

Eyebrows

Is an area of the retina with many cones. It is responsible for sharp vision.

Are folds of skin that are opened and closed by the eye orbit muscles. They prevent the eyeball from drying out and stop particles from entering.

It is an elastic, transparent, biconvex structure behind the iris.

Are hairs that grow out of the eyelids. They limit access to light and stop particles from entering the eyes.

It is the internal layer of the eyeball that contains photoreceptor cells called cones and rods.

Is the opaque, white outer layer. The front part (cornea) is transparent.

Produce tears, which clean the eye and keep it moist. They also destroy bacteria.

Is a circular structure. Its colour varies from person to person.

It is transparent, gelatinous fluid filling the eyeball.

It transmits the information to the brain.

Are hairs that stop sweat from entering the eye.

It is the hole in the center of the iris.

It is a transparent fluid between the cornea and the crystalline lens.