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Dynamic Visual Acuity (DVA)

Dynamic Visual Acuity (DVA) is a crucial tool for screening vestibular impairments. It evaluates the Vestibulo-Ocular Reflex (VOR) and helps in the early detection of vestibulotoxicity and bilateral peripheral vestibulopathy, as well as serving as a rehabilitation tool.

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Evaluation Protocols:

  • Image Stability: Assesses VOR function by maintaining the image on the fovea of the retina during head movements.
  • Defective VOR: Detects defective VOR that results in image slippage and blurred vision.

 

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When is DVA required

  • Vestibulo-Ocular Reflex (VOR): Evaluates VOR function in maintaining image stability during head movements.
  • Early Detection: Identifies vestibulotoxicity at an early stage.
  • Rehabilitation Tool: Useful for both conducting and assessing the outcomes of vestibular rehabilitation.
  • Bilateral Peripheral Vestibulopathy:

NeuroEquilibrium DVA provides a reliable method for doctors and patients to evaluate and address vestibular impairments, ensuring effective diagnosis and rehabilitation.

Frequently Asked Questions

What should I do before taking the Dynamic Visual Acuity (DVA) test?

Before you have your DVA test, make sure you are refreshed and well-fed, since tiredness may influence your driving. If you depend on glasses or contact lenses, don’t forget to put them on for the exam. As you take the test, you should watch moving things closely, so being alert is necessary. Remember to notify the examiner about both your health problems and the medications you are using. As you need to follow a few simple steps and evaluate yourself, pay close attention to the process for correct findings.

While taking the DVA test, you’ll sit down and watch pictures or letters appear on the screen. In a few cases, the doctor will gently move your head left and right to check how your eyes follow anything that is moving. The test does not involve any wounds, and it is done very quickly. The test is mainly used to check if you have good eyesight when moving, which is necessary for actions such as driving or participating in sports.

After finishing the test, an eye care or vestibular specialist will explain your results to you. They will tell you about your eyes’ performance while you are still and when you move your head. Major differences between your balance and your ability to see should be taken as a sign of potential problems. Understanding the results tells us if any support or treatment is important for your every-day functions.

When the test finds a problem, doctors usually suggest vestibular rehabilitation therapy. It consists of exercises meant to strengthen your balance and the way your eyes and body work together. It can involve guiding your head and eyes, doing exercises to improve balance, and activities suited to what you require. Taking part in regular therapy sessions can help you feel better and perform standard tasks without feeling dizzy.

The process of improvement takes different amounts of time for different people. Certain patients can see and feel the difference in their balance and vision right away, while others have to wait a bit longer. Doing your therapy exercises regularly speeds up your recovery. Your therapist will keep an eye on your improvement and change your plan as required for the best outcomes.

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