In order to have optimal vision, our eye muscles must be properly aligned and working together. However, sometimes, our eye muscles do not function properly, which can cause vision problems such as double vision, blurry vision, or even headaches. To diagnose such problems, eye muscle function tests are done by eye care professionals.
During an eye muscle function test, eye care professionals will examine each eye and its surrounding muscles, checking for any deviation in eye movements, eye teaming, and alignment. These tests may include cover tests, prism tests, or eye movement tests, depending on the specific eye condition.
What is a Cover Test?
A cover test is a simple eye muscle function test that is performed to diagnose eye misalignment. During a cover test, the eye care professional will have the patient cover one eye while focusing on a target with the other eye. The eye care professional will then observe the uncovered eye to ensure that both eyes are focusing on the target simultaneously.
What is a Prism Test?
A prism test is an eye function test where a prism is placed in front of one eye to diagnose eye misalignment. The eye care professional will then observe whether the uncovered eye is able to compensate for the prism and maintain alignment between both eyes.
What are Eye Movement Tests?
Eye movement tests are used to diagnose eye muscle problems such as amblyopia or poor eye teaming skills. These tests involve tracking an object with both eyes, observing how well the eyes move and follow the object, and checking whether the eyes can work together.
Eye muscle function tests are a critical part of any comprehensive eye examination, particularly for individuals experiencing vision problems such as double vision, blurry vision, or headaches. If an eye condition is diagnosed, eye care professionals may recommend vision therapy, glasses, or in some cases, surgery. Therefore, if you are experiencing any of these symptoms, it is important to schedule an eye exam with your eye care professional immediately.
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