alternate cover test


al·ter·nate cov·er test

a test to detect phoria or strabismus; attention is directed to a small fixation object, and one eye is covered for several seconds; then the cover is moved quickly to the other eye; if the eye moves when it is uncovered, a strabismus or phoria is present. Synonym(s): cover-uncover test

al·ter·nate cov·er test

(awl-tĕr'năt kŏv'ĕr test) A test to detect phoria or strabismus; attention is directed to a small fixation object, and one eye is covered for several seconds; then the cover is moved quickly to the other eye; if the eye moves when it is uncovered, a strabismus or phoria is present.