[Hermann Davidsohn, Ger. physician, 1842-1911]
Lessening or absence of the pupillary light reflex when an electric light is held in the closed mouth. It indicates the presence of a tumor or fluid in the maxillary sinus.
Taber’s Cyclopedic Medical Dictionary 24th Edition Online + App from F.A. Davis and Unbound Medicine. Find 75,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Complete Product Information.