In children myopia do not blame the smartphones, as the conditions of their use, scientists say. Often kids use their phones in complete darkness. Even for a formed body of view it is dangerous, to be sure, and the children's eyes.
Scientists conducted an experiment in which children 15 days went attached on clothes by the light sensors. Even this device was removed the brain activity of the subjects.
It turned out that for children it is useful to be in the sun. But to use smartphones with the lights off, on the contrary, is extremely dangerous. So you can easily earn myopia, not yet enrolled in first grade.
Researchers give simple advice. Children should walk at least two hours per day in good weather. Virtual entertainment should not be the child in the first place.