Oculomotor nerve palsy
Oculomotor Nerve Palsy
The Oculomotor Nerve Palsy (pronunciation: ok-yuh-loh-MOH-ter nurv PAL-zee), also known as Third Nerve Palsy, is a medical condition that involves the impairment or loss of function of the third cranial nerve, which is responsible for controlling most of the eye's movements and the pupil's constriction.
Etymology
The term "Oculomotor" is derived from the Latin words "oculus" meaning "eye" and "motor" meaning "mover". "Palsy" is derived from the Greek word "palsie", meaning "paralysis", which refers to the loss of movement in a part of the body.
Symptoms
The symptoms of Oculomotor Nerve Palsy can include double vision, drooping eyelid, and dilated pupil that does not react to light. The affected eye may also be deviated down and out due to unopposed actions of the lateral rectus and superior oblique muscles.
Causes
The causes of Oculomotor Nerve Palsy can be divided into congenital and acquired. Acquired causes can be further divided into microvascular, aneurysmal, neoplastic, traumatic, and inflammatory.
Treatment
Treatment of Oculomotor Nerve Palsy depends on the underlying cause. It may include medications, surgical interventions, or physical therapies such as eye exercises.
See Also
References
External links
- Medical encyclopedia article on Oculomotor nerve palsy
- Wikipedia's article - Oculomotor nerve palsy
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