Extraocular muscle function testing
Alternate Names : EOM, Extraocular movement, Ocular motility examination
Definition
Extraocular muscle function testing is an examination of the function of the eye muscles. A doctor observes the movement of the eyes in six specific directions.
Why is the Test Performed?
This test is performed to evaluate any weakness or other problem in the extraocular muscles, which may result in double vision or rapid, uncontrolled eye movements.
How is the Test Performed?
You are asked to sit or stand with your head erect and a forward gaze. Your health care provider will hold a pen or other object 12 inches in front of your face. He or she will then move the object in several directions and ask you to follow it with your eyes, without moving your head.
How to Prepare for the Test?
No special preparation is necessary for this test.
How will the Test Feel?
The test involves only normal movement of the eyes.
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