Topic
Oculomotor nerve
About: Oculomotor nerve is a research topic. Over the lifetime, 1544 publications have been published within this topic receiving 25776 citations. The topic is also known as: nervus oculomotorius & cranial nerve III.
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TL;DR: An unselected series of 1,000 cases of paralysis of cranial nerves III, IV, and VI was retrospectively analyzed regarding ultimate recovery and final causal diagnosis and about half of the patients with no known cause for paralysis underwent spontaneous remission.
Abstract: • An unselected series of 1,000 cases of paralysis of cranial nerves III, IV, and VI was retrospectively analyzed regarding ultimate recovery and final causal diagnosis. The frequency of involvement of the third, fourth, and sixth cranial nerves was relatively unchanged from earlier similar reports. The number of patients (263) whose cranial nerve paralysis was initially of undetermined cause was surprisingly high despite the availability of computerized tomographic scanning. Subsequently, the cause for the paralysis was diagnosed in only ten of the 127 patients who could be traced. About half (51%) of the patients with no known cause for paralysis underwent spontaneous remission. Forty-eight percent of all patients recovered. Cranial nerve impairment due to vascular disease (diabetes mellitus, atherosclerosis, or hypertension) was temporary in 71% of the patients, regardless of the cranial nerve affected. Patients with palsies caused by aneurysm, trauma, and neoplasm were predictably less likely to recover.
467 citations
TL;DR: A significant number of schizophrenic patients show patterns of smooth pursuitEye-tracking patterns that differ strikingly from the generally smooth eye-tracking seen in normals and in nonschizophrenic patients, which may have a critical relevance for perceptual dysfunction in schizophrenia.
Abstract: A significant number of schizophrenic patients show patterns of smooth pursuit eye-tracking patterns that differ strikingly from the generally smooth eye-tracking seen in normals and in nonschizophrenic patients. These deviations are probably referable not only to motivational or attentional factors, but also to oculomotor involvement that may have a critical relevance for perceptual dysfunction in schizophrenia.
460 citations
TL;DR: The largest group of patients among 4,278 cases was that in which the cause was undetermined for a long period of follow-up, and the abducens nerve was most commonly affected.
350 citations
TL;DR: 2 patients who were diagnosed with COVID-19 after presenting with diplopia and ophthalmoparesis are reported, and neurologic complications of CO VID-19 are reported.
Abstract: Neurologic complications of COVID-19 are not well described. We report 2 patients who were diagnosed with COVID-19 after presenting with diplopia and ophthalmoparesis.
254 citations
TL;DR: Evidence is presented that a cranial nerve anomaly may cause Duane's retraction syndrome, and the reason for this neurogenic abnormality is briefly discussed.
Abstract: Duane's retraction syndrome (DRS) is a congenital eye movement disorder characterized by abduction deficiency, adduction limitation, globe retraction, and palpebral fissure narrowing on attempted adduction Although data from surgical and autopsy studies suggest a neurogenic cause for this disorder, only one well-documented case of DRS has been studied pathologically, and that report was incomplete We describe the intracranial and orbital pathology of a clinically documented case of bilateral DRS Both abducens nuclei and nerves were absent from the brainstem, and the lateral rectus muscles were partially innervated by branches from the oculomotor nerves This report presents evidence that a cranial nerve anomaly may cause DRS The reason for this neurogenic abnormality is briefly discussed
235 citations