"You have one unread message!" Many people use their phones to process messages before bed. Some people like to use their cell phones while lying in bed, often on their side. Do you have this habit? Don't do it again! This will greatly increase your chances of developing strabismus. And in addition to potentially causing an increase in myopia, lying on your side and playing with your phone can lead to many other injuries.
The dangers of using a cell phone while lying on your side
When we look at a screen, the ciliary muscle is working hard. The ciliary muscle is a circular muscle inside the eye that changes the shape of the lens, much like a photographer adjusting the focus of a camera so we can see things far away or up close. When we look away, the ciliary muscle relaxes and the lens flattens out. When we look close, such as at a cell phone screen, the ciliary muscle must exert force to make the lens convex. If we look at something close