abducens nerve examination

The nerve is the somatic motor nerve. It is separated from the brain by the median line between the medulla and the medulla. The dura mater enters the cavernous sinus on the lateral side of the saddle, and the cavernous sinus is forwarded on the lateral side of the internal carotid artery. Into the ankle, to the external rectus muscle. The method of examining the lateral rectus muscle of the eyeball and examining the movement of the lateral rectus muscle is called an extensor nerve examination. Basic Information Specialist Category: Ophthalmic Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: When checking, the eyes of the eyes follow the movement of the gaze checker's fingers, but the head must remain stationary. Normal value The eyeball follows the direction in which the gaze examiner's finger motion rotates. Clinical significance Abnormal result Eye abduction disorder when the nerve is damaged. People who need to be examined suspect patients with impaired nerves. Precautions Forbidden before inspection: Choose a quiet and bright environment before checking. Requirements for inspection: When checking, the eyes of the eyes follow the movement of the gaze checker's fingers, but the head must remain stationary. Inspection process During the examination, the patient is seated. The examiner stands in front of him and fixes his head with one hand. The head is not rotated with the eye. The other hand extends a finger at 1 m in front of the eye for left upper, lower left, upper right, lower right, etc. Both eyes follow this finger movement, but the head does not move, and the rotation of the eyeball is observed. Not suitable for the crowd Inappropriate people: patients with eye pain and abnormal eye movements.

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