A Clinical Study of Ocular Motor Cranial Nerve Palsies
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 11
Abstract
Introduction: Third, Fourth and Sixth cranial nerves together facilitate the movements of the eye ball. Hence these together are called as OCULAR MOTOR CRANIAL NERVES. Ocular motor nerve palsies are commonly encountered in clinical practice and they vary widely in clinical presentation and etiology. Aim: The aim is to study the clinical aspects of ocular motor cranial nerve palsies. Material and Methods: This is a prospective observational study conducted on thirty patients of 3rd , 4th and 6th cranial nerve palsies either singly or in combination, who attended the ophthalmology OPD during the period between June 2015 to October 2016. Detailed history was taken followed by a systematic general, ocular and neurological examination in each patient. The necessary laboratory and radiological investigations were done with a special emphasis on CT and MRI as per the requirement. Results: out of the 30 cases included in the study 50% were of isolated third nerve palsy. Vascular etiology was the most common cause. Among the ocular symptoms double vision was the most frequent. CT reveled abnormality in seven and MRI in five cases. Conclusions: Third cranial nerve was the most commonly affected among all the ocular motor cranial nerves. Vasculopathy and trauma were the leading causes. CT and MRI were helpful in localizing the lesion and identifying the cause in significant number of cases.
Authors and Affiliations
Dr. NG Prasoona Devi, Dr. PAS Chalapathi reddy, Dr. CS Sandhya, Dr. M. Naganjaneyulu
Keywords
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- EP ID EP238285
- DOI 10.9790/0853-1611042430
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