Can Crossing Your Eyes Make You Cross Eyed?
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.
What is Cross Eyes?
You can’t go cross-eyed from making faces, but strabismus can occur for medical reasons such as discussed in this video.
What Causes Crossed Eyes?
There are many different causes for crossed eyes, and it does seem to run in families. In some cases, it may be caused by severe farsightedness that has been left untreated. Significant head trauma may also cause crossed eyes, as it can affect the portion of the brain that controls eye muscles.