Tournay phenomenon

Tour·nay phe·nom·e·non

(tūr-nā'),
dilation of the pupil in the abducting eye on extreme lateral gaze. This is present in only a small percentage of the normal population and has no known association with disease.
Synonym(s): Tournay sign

Tournay,

Auguste, French ophthalmologist, 1878-1969.
Tournay phenomenon - dilation of the pupil in the abducting eye on extreme lateral gaze. Synonym(s): Gianelli sign; Tournay sign
Tournay sign - Synonym(s): Tournay phenomenon