According to this video clip, yes. If you play first person shooters. Too bad if that clashes with your values . You are stuck with less than superior vision. According to the National Geographic site , it’s action games which improve your vision . If you read the comments under the clip I have put up, there are some interesting discussions and one person believes their vision has improved by using MineCraft. You can read the interview with Dr. Maurer who did the 2012 research quoted in the video. In the interview she said she was working on a non violent game which would achieve the same ends.I wonder if it’s out yet? My optometrist had to make me new glasses last year because my vision had improved, particularly my long distance vision. I have been playing more games which go between fixed focus and moving content. I wonder? We need more research so we understand in detail how this all works . If games can improve and/or preserve vision we need to get onto it. We exercise our bodies. We exercise our minds. Maybe we need to exercise our eyes.