WebTrochlear nerve. Trochlear nerve is a fourth cranial nerve (CN IV) that carries motor fibers to innervate the superior oblique muscle, an extra-ocular muscle in the orbit 1), that controls abduction and intorsion of the eye 2). Trochlear nerve damage results diplopia (double vision) with inability to look inferiorly when the eye is adducted ... WebCN III palsy with fixed dilated pupil, it is important to recall that pupillary fibers occupy a peripheral location and receive more collateral blood supply that the main trunk of the nerve.[1] This is why they are susceptible to compression (e.g. aneurysm). The most common known etiology is a posterior communicating artery aneurysm.
Third Cranial Nerve (Oculomotor Nerve) Palsy - Merck Manuals …
WebMicrovascular cranial nerve palsy. This condition affects the nerves in the eye. It is most common in people who have diabetes and in those who have high blood pressure. Third nerve palsy. This condition affects the third cranial nerve. This nerve helps manage a muscle that controls eye movement. Fourth nerve palsy. WebThe possibility of diabetic microvascular third nerve palsy was also considered in our patient. Pupillary involvement in diabetic microvascular third nerve palsy reportedly … cypress hockey stick
Ocular Associations of Diabetes Other Than Diabetic Retinopathy
WebAug 17, 2010 · The clinical sign of “pupil sparing” is considered the hallmark finding in ischemic vascular CN III palsy. 6,7 Ischemic vascular lesions are a result of microvascular disease, where the vascular architecture of the vasa nervorum is damaged. WebJun 1, 2014 · Abstract and Figures Diabetes mellitus commonly causes involvement of cranial nerves and third nerve being the most common, however recurrent and multiple cranial nerve involvement is rare.... WebAbducens (sixth cranial) nerve palsy is the most common ocular motor paralysis in adults and the second-most common in children. The abducens nerve controls the lateral rectus muscle, which abducts the eye. Abducens nerve palsy causes an esotropia due to the unopposed action of the antagonistic medial rectus muscle. binary excel solver