As usual, the squint can be hereditary, that is to say, if your mother or father the squint in the eyes, there are much more possibilities that you will also get the squint. According to the experts, the feature of the squint does not occur until at least after 3 months of age. Pls just relax yourself, because the squint is not a disease but a symptom of something more. As we all know that the squint is caused by the fact that the eye is poorer than the other eye, and then the development of eyes will be into lazy, finally you will get the squint as the brain just ignore the poorer eye. Yeah, if you want to stop the squint, you must finish it before 3 years old. Before that time, you can just check your eyes frequently so that both of the eyes can develop well, also once you find some problem, you should correct with the help from glasses or doctor. Now if you are older, then you can cure it by surgery; and pls take care of your eyes.