Excessive use of cell phones can lead to myopia. Myopia is a type of refractive error, belongs to the ophthalmology of common diseases, the cause of its development and genetic factors and bad eye habits are related, which bad eye habits include long time near the eyes, in the dim or shaking environment, excessive use of cell phones, TV, computers and other electronic products. Therefore, excessive use of cell phones may cause myopia, patients must develop good eye habits in their normal life, not completely unable to use cell phones, but to control the use of cell phones time, for example, about half an hour of cell phones should stop to rest for 10 minutes, so that the eyes can be relaxed, in order to avoid the formation of myopia to the maximum extent possible. If myopia is high, it is recommended to get glasses as soon as possible.