us ▁is ▁on ▁the ▁later al ▁side ▁of ▁the ▁e y eb all . ▁When ▁it ▁contract s , ▁the ▁e y eb all ▁moves ▁so ▁that ▁the ▁pup il ▁looks ▁out wards . ▁The ▁med ial ▁rect us ▁causes ▁the ▁e y eb all ▁to ▁look ▁in wards ; ▁the ▁inferior ▁rect us ▁down wards ▁and ▁the ▁superior ▁rect us ▁up wards . ▁The ▁superior ▁ob lique ▁mus cle ▁and ▁inferior ▁ob lique ▁mus cle ▁attach ▁at ▁angles ▁to ▁the ▁e y eb all . ▁ ▁Most ▁mus cles ▁not ▁only ▁move ▁the ▁eye ▁in ▁a ▁cardinal ▁direction , ▁but ▁also ▁slightly ▁rotate ▁the ▁pup il . ▁ ▁The ▁mus cles ▁are ▁supplied ▁by ▁the ▁o cul om ot or ▁n erve , ▁with ▁the ▁exception ▁of ▁the ▁superior ▁ob lique , ▁which ▁is ▁supplied ▁by ▁the ▁tro ch lear ▁n erve , ▁and ▁the ▁later al ▁rect us , ▁supplied ▁by ▁the ▁ab du c ens ▁n erve . ▁ ▁Three ▁ant agon istic ▁pairs ▁of ▁mus cles ▁control ▁eye ▁movement : ▁the ▁later al ▁and ▁med ial ▁rect us ▁mus cles , ▁the ▁superior ▁and ▁inferior ▁rect us ▁mus cles , ▁and ▁the ▁superior ▁and ▁inferior ▁ob lique ▁mus cles . ▁These ▁mus cles ▁are ▁responsible ▁for ▁movement ▁of ▁the ▁eye ▁along ▁three ▁different ▁axes : ▁horizontal , ▁either ▁toward ▁the ▁nose ▁( ad du ction ) ▁or ▁away ▁from ▁the ▁nose ▁( ab du ction ); ▁vertical , ▁either ▁elev ation ▁or ▁de pression ; ▁and ▁t ors ional