Well, yes, squint eyes are hereditary, in some degree. So maybe your child can have it, if you have. Even if there are many people who have hereditary squint eyes, excessive sunlight exposure could also result in squinting. And then squinting can cause wrinkles around the eyes and forehead. So for this, you'd better apply a good, high-SPF sunscreen, and wear a hat or sunglasses to minimize squinting, when going out. And also you should know that squint eyes are very dangerous to eyes. For example, if you do it in a long time, it can make your eyes' muscle become stressed. And when this situation continues in a long period, it can also lead to eye strain. And then eye strain can lead to some eye diseases, such as the dry eyes, dark circles under your eyes, even the vision sight. Anyway, just pay more attention to it.
