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