In all cases, {HEAD ~ the difference} of {TAIL ~ visual sharpness} between the two eyes is sufficiently reduced, from 5% to 10%, to maintain the function of visual binocularity 
of
In all cases , { HEAD ~ the difference } of { TAIL ~ visual sharpness } between the two eyes is sufficiently reduced , from 5 % to 10 % , to maintain the function of visual binocularity
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH