What is the medical term for being cross-eyed?

Answer 1

Esotropia is the name for crossed eyes.

The condition of having eyes that don't align properly is strabismus or heterotropia. Esotropia is one type of strabismus. In exotropia, the eyes don't cross, but instead one seems to point outward.
Strabismus and Tropia both mean crossed eyes.
Strabismus is an abnormal deviation of the eye or cross-eyed.
Strabismus
Esotropia

Answer 2

There are multiple reasons to squint your eyes. The most common reason is to decrease the amount of light entering the eye which makes it more comfortable to be out in bright light situations. People with astigmatism can also use squinting to alter the amount of light rays entering the eye which can help them see clearer.

Answer 3

A squint or a lazy eye is known as a strabismus.

Answer 4

strabismus
strabismus

Answer 5

Strabismus