Eyelid – Protects the eye from dust, debris, and injury and helps keep the eye moist by spreading tears.

Iris – The colored part of the eye that controls how much light enters the eye.

Pupil – The dark, round opening in the center of the iris that allows light to enter the eye.

Sclera – The white outer layer of the eye that provides protection and helps maintain the eye’s shape.

Cornea – The clear, dome-shaped front surface of the eye that helps focus light as it enters.

Ciliary Body – Helps the eye focus by changing the shape of the lens and also produces fluid that nourishes the eye.

Lens – A clear structure behind the iris that focuses light onto the retina.

Retina – The light-sensitive layer at the back of the eye that receives images and sends visual information to the brain.

Vitreous Humor – The clear, gel-like substance that fills the large space inside the eye and helps maintain its shape.

Optic Nerve – Carries visual information from the retina to the brain, allowing us to see.