3 ms·You have to buy separate lenses from zeiss in order to adjust the display if you need glasses???by htrp 3y agoYou have to buy separate lenses from zeiss in order to adjust the display if you need glasses???neuronic 3y agoYou have to buy a dongle to connect the new lenses too. /snumpad0 3y agoYou don't need full correction for VR. For me, a -2 seemed enough, which is >5 less than my normal glasses.