Next time your parents tell you that video games are good for nothing, tell them that they can improve your vision:
LinkResearchers at the University of Rochester have shown that people who played action video games for a few hours a day over the course of a month improved by about 20 percent in their ability to identify letters presented in clutter—a visual acuity test similar to ones used in regular ophthalmology clinics.
In essence, playing video game improves your bottom line on a standard eye chart.