The optokinetic reflex allows the eye to follow objects in motion when the head remains stationary (e.g. observing individual telephone poles on the side of the road as one travels by them in a car). The reflex develops at about 6 months of age.[1]
M: PNS
anat(h/r/t/c/b/l/s/a)/phys(r)/devp/prot/nttr/nttm/ntrp
noco/auto/cong/tumr, sysi/epon, injr
proc, drug(N1B)