A Brock String and XBox

I had another round of vision therapy today, and it is very interesting. Here is the description:

A Brock string (named after Frederick W. Brock) is an instrument used in vision therapy. It consists of a white string of approximately 10 feet in length with three small wooden beads of different colors.

The Brock string is commonly employed during treatment of convergence insufficiency and other anomalies of binocular vision. It is used to develop skills of convergence as well as to disrupt suppression of one of the eyes.

During therapy, the one end of the Brock string is held on the tip of the nose while the other is tied to a fixed point. The three beads are spaced out at various distances. The patient is asked to focus on one of the beads, while noting the visual input of each eye and sensation of convergence. Techniques may be made more difficult by bringing the beads closer to the nose and by employing lenses and prisms.

Here is a video that you can watch:

www.youtube.com/watch?v=EGlCVTdNqfw

Another exercise uses a XBox controller, and there are very specialized vision
programs that the therapist use with me. Our son is intrigued that Dad uses a
computer and a XBox controller. Finally, my son is interested in my therapy!

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