PURPOSE: The aim of this study was to visualize the subarachnoid portion of the Nervus abducens by magnetic resonance imaging and to analyze whether aplasia of the Nervus abducens is an etiologic factor in Duane's retraction syndrome. RESULTS: The Nervus abducens on the affected side could not be observed in 6 (54.5%) of 11 eyes (8 cases) that were clinically diagnosed as having Duane's retraction syndrome. The Nervus abducens was observed in 15 (94%) of 16 eyes that were screened as the control group. CONCLUSIONS: The results showed that aplasia of the Nervus abducens, although an important etiologic factor, is not the only factor responsible for the diagnosis of Duane's retraction syndrome.. 
The neurological examination revealed paresis of left Nervus abducens, staggering gait and pronounced psychic symptoms.
Symptoms and signs usually include headache, nausea, vomiting, edema of the papilla, visual obscurations and rarely palsy of the Nervus abducens.
She developed papilloedema and bilateral Nervus abducens paresis.
We report on a 27-year-old female suffering from headaches and Nervus abducens paresis.
Anatomical variation of the Nervus abducens in human encephali were found and described.
Human and rat extraocular muscle nerves (Nervus abducens and ramus medialis n.
Eighteen patients who underwent surgery for Nervus abducens paresis (NAP), were kept under observation for up to 23 years after the operation.
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