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## [ Using the Brock String Test to Strengthen Your Eyes ](https://www.cognitivefxusa.com/cfx-dev-blog/using-the-brock-string-test-0-0-0-0-0-0)

<https://www.cognitivefxusa.com/cfx-dev-blog/author/cognitive-fx-team>  By: [ Cognitive FX Team ](https://www.cognitivefxusa.com/cfx-dev-blog/author/cognitive-fx-team) October 2nd, 2018 Updated October 17, 2018

 What is the Brock String Test? The Brock String Test is designed to test and treat visual perception problems. This is important because these problems can contribute to headaches, blurry vision, balance problems, and more. Symptoms that can be caused by a concussion. The Brock String Test really looks at two different things: convergence and suppression.

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