[Exophthalmia]

The authors present the association of signs and symptoms in exophthalmos syndrome, which occurs in many diseases. Although exophthalmos was considered to be of ophthalmological interest, according as researches were made on its pathogeny and according as investigation methods were developed, exophthalmos is no more considered a symptom, but a syndrome. After defining the syndrome, the present study shows its classifications, clinical and complementary investigations, and its treatments.