[Holmes-Adie syndrome. Clinical case].

Introduction: The Adie tonic pupil is an intrinsic, isolated and benign ophthalmoplegia producing defective accommodation and anisocoria. The affectation is unilateral in the 90% of cases and can appear at any age. If associated to patellar tendinous reflexes abolition, constitutes Holmes-Adie syndrome.
Clinical Case: We present a 6 years old girl. She suffered a right temporal trauma with cephalea and vomiting for a few hours. After two months, she presented right mydriasis. There were no familiar antecedents. After a year evolution, she has not presented clinical changes.
Conclusion: We comment the process's physiopathology.