Thank you Av8rshane, I wondering the same as the OP.Press C1 on controller move the small box with x in it by moving your head then tap touchpad when the box is over area you want to focus on, then press C1 to get rid of focus box.
Method 2,
Press function buttom on bottom of goggles, move focus box over area you want to focus on then tap touchpad then function button again to remove box.