How do you set up a Brock string?
How many beads should a Brock string have?
Four or five beads make for enough targets to be useful. With the beads evenly spaced (closest bead at about 2cm, furthest about 40 cm), have the patient hold one end of brock string to their nose.
How often should I do Brock string?
The Brock String Test is an exercise you can do a few minutes a day to help re-train your eyes and help them to work properly with both convergence and suppression.