Incidence and Evaluation of Third Nerve Palsy Using a Population-Based Method (.pdf)

Among cases of diplopia caused by cranial nerve palsies, oculomotor paresis is the most worrisome because some are the result of life-threatening aneurysms. Although there exists a number of studies on third nerve palsy from academic centers, all are subject to referral bias. The purpose of this study was to determine the population-based incidence and causes of third nerve palsies using a well-established medical records linkage system designed to capture data on patient-physician encounters