Human Eye Close Up

Your eyeballs allow you to see.

Your eyeballs need light in order to function well.

The part of the eyeball that has colour is called the iris.

Eyeballs actually receive images upside down. The brain knows how to reverse these images correctly.

Eyeballs are very complicated structures. Some parts of it like the pupil even change size depending on how bright it is outside.

The white part of the eyeball is known as the sclera.

Tears help to keep your eyeballs clean.

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