But when there is a disruption and the muscles do not work together, some form of strabismus, including exotropia, may occur. Other causes may involve the nerves that transmit information from the brain to the muscles, or the part of the brain that directs eye movements.
de facto segregation-segregation (especially in schools) that happens in fact although not required by law. separatism, segregation-a social system that provides separate facilities for minority groups.
A de facto relationship is defined in Section 4AA of the Family Law Act 1975. The law requires that you and your former partner, who may be of the same or opposite sex, had a relationship as a couple living together on a genuine domestic basis. However, your relationship is not a de facto relationship if you were legally married to one another or if you are related by family.