Crossing your eyes can't make you permanently cross eyed; the muscles holding the eye will fatigue and the eye will return to it's original position.
How Crossed Eyes Can Be Treated? - By Dr. Tejas D. Shah
My eyes appear to be crossed (cross eyed)
Strabismus (crossed eyes)
Is it true if you cross your eyes and get hit in the back, they can get stuck like that? - Quora
Strabismus (Crossed Eyes) - All About Vision
Ask the Expert: How COVID-19 Affects the Eyes - Keck Medicine of USC
Hypertensive Retinopathy: Symptoms, Causes, and Treatments
Don't Cross Your Eyes and Other Common Eye Myths - LGO
Why is it easier to cross eyes but not looking away from each other? - Quora
Opinion I'm Visually Disabled, And I Want to Show You How Life Looks Through My Eyes - The New York Times
Strabismus in Cats: Causes, Symptoms, & Treatment
