Robertson sign

Robertson sign

An obsolete term for the loss of the normal pupillary dilation when pressure is applied to a painful site, formerly thought to be of help in differentiating somatic from psychogenic pain.

Robertson,

William Egbert, U.S. physician, 1869-1956.
Robertson sign - (1) a contraction over the area of the heart of the pectoralis muscle signalling pending death from cardiac disease; - (2) signals malingering when pupillary dilatation is absent upon placing pressure on areas identified as painful; - (3) demonstrated when the patient has ascites.
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1985 Hearts boss Alex MacDonald is delighted after Craig Levein and John Robertson sign new longterm contracts at Tynecastle.
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