isophoria

isophoria

 [i″so-fo´re-ah] correspondence of the visual axes of the two eyes; equality in the tension of the vertical muscles of the two eyes.

isophoria

(ī″sō-fō′rē-ă) [″ + phorein, to carry] Equal tension of vertical muscles of each eye with visual lines in the same horizontal plane; absence of hyperphoria and hypophoria.

isophoria

Constancy of the heterophoria in various directions of gaze. See heterophoria.