EntityQ239972· pop 32· linked from 160 articlesciliary muscleSign in to saveeye muscle used for focusingConnectionslensEntityiris sphincter muscleEntityiris dilator muscleEntityretinaEntityhuman eyeEntityaccommodationEntityaqueous humourEntityuveaEntitySchlemm's canalEntityfibrous tunic of eyeballEntityAnatomical terms of muscleEntityLatinEntityInternational Standard Book NumberEntitynerveEntityveinEntityWayback MachineEntityeyebrowEntitydigital object identifierEntityarteryEntityvisual perceptionEntityCategoriesHuman eye anatomyMuscles of the head and neck