Sports Eye Sight Train Three Beads Brock String Target Pointing Practice Vision Convergence

Specifications: Condition: Type: Brock String Beads material: Plastic Size: Beads diameter: 2cm Rope length: 204cm Brock String - used in fixing convergence insufficiency and sports training. The basic purpose of the Brock String is to develop good functions; in other words to get both eyes working together well. This activity teaches convergence - the ability to point both eyes more accurately at a target. Package Included: 1 x Cord 3 x Beads

Notes: Other acceories demo in the ture is not included. Due to manual measurement, please allow size differences about 1-5mm. Due to the light and screen setting difference, the item's color may be slightly different.

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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