manifest strabismus

man·i·fest stra·bis·mus

evident deviation of one eye or the other; may be alternating or monocular.
References in periodicals archive ?
Children with heterophoria at risk of decompensating should also undergo a full binocular vision investigation (eg, prism cover test for fusional reserves), so as to evaluate the risk of the heterophoria becoming a manifest strabismus.
Suspect and/or manifest strabismus (especially esotropia)