All these people talking about repetitive strain injuries and other joint issues have a deeply valid stance on this issue. My best advice is that prevention is

All these people talking about repetitive strain injuries and other joint issues have a deeply valid stance on this issue. My best advice is that prevention is better than cure (or treatment). Remember, if you are computer-locked, to aim to do wrist stretches as well as look out your window (or any far distance) to exercise your eye muscles.