<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: whit</div><div class="ubbcode-body">I noticed when I try shooting with both eyes open for a long period of time my eyes start to go blurry. Does anyone know what caused that? </div></div>
Fatigue- one is focused the other not.
A trick shooters use to calm their eyes is to look down at a green surface (like grass) This reduces eye strain and relaxes eyes.
Dammit... the closest grass is about 200 miles away!