Brock String, Vision Convergence Training Ball, Front Sight Focus String Vision Sight Focusing Vision Training Tool, for Focus Training Vision Improve(Type B bright)

Visual Focus: Made of beads and threads in three colors of red, yellow and green, the ball is very suitable for training of insufficient convergence, motor vision training and forward focus training.
Adjustable: The vision training ball is equipped with hooks, which are convenient to hang on the wall and also equipped with a tape measure, which is convenient to adjust to the appropriate distance to meet the needs.
Vision Correction: Vision convergence training tool can effectively promote convergence to correct myopia and strabismus, which is of great help to your eyes.
Easy to Store: Vision training balls are equipped with box, which can keep the train ball well organized and you will easily find the ball.
Simple Operation: Vision can be used at home, which is simple and low cost, allowing you to spend the least amount of money to train your eyesight.

Specification:

Item Type: Vision Convergence Training Tool
Material: Plastic
Ball Diameter: Approx.1.8cm / 0.7in
Ball Color: Red, yellow, green

Package List:
1 x Tricolor Ball Rope1 x Hook
1 x Tape Measure( Random Color )

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