| strabismus | <clinical sign> A deviation of the eye which the patient cannot overcome. The visual axes assume a position relative to each other different from that required by the physiological conditions. The various forms of strabismus are spoken of as tropias, their direction being indicated by the appropriate prefix, as cyclo tropia, esotropia, exotropia, hypertropia and hypotropia. Also called cast, heterotropia, manifest deviation and squint. Origin: Gr. Strabismos = a squinting (18 Nov 1997) |
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| strabismus deorsum vergens | An obsolete term for vertical strabismus in which the visual axis of one eye deviates downward. (05 Mar 2000) |
| strabismus sursum vergens | An obsolete term for a vertical strabismus in which the visual axis of one eye deviates upward. (05 Mar 2000) |
| incomitant strabismus | Strabismus due to weakness of an ocular muscle or muscles. Synonym: incomitant strabismus. (05 Mar 2000) |
| internal strabismus | An obsolete term for esotropia (05 Mar 2000) |
| external strabismus | An obsolete term for exotropia. (05 Mar 2000) |
| kinetic strabismus | Strabismus due to spasm of an extraocular muscle. (05 Mar 2000) |