And that's not all...
...it also made my knob bigger. Honest, Guv.
Playing a certain type of videogame can help to improve adult eyesight, a study conducted by a North American university has concluded. Over the course of nine weeks, two groups of 11 adult volunteers each played a total of 50 hours of games. One group played action titles – including Call of Duty 2 - and the other set played …
Like anything, the eyes can be trained and exercised. It's no great surprise really that people who spend lots of time trying to spot enemy "soldiers" in an action game have trained their eyes to become better at picking objects out from a cluttered background.
Out of interest, people who spend a lot of time looking at screens tend to lose some of their ability to refocus at different distances. So when you look from a close object to a far one (or the other way round) it takes a fraction of a second longer for you to focus.