Please read description carefully.
Do not base your order on the picture presented.
THIS ITEM NEEDS A PRESCRIPTION TO SHIP
The Brock String is used during treatment of convergence insufficiency and other binocular vision anomalies.
Used to develop skills of convergence as well as to disrupt suppression of one of the eyes.
New prescription, Old prescription and Medical licenses accepted. We do not bill insurance, invoices supplied as needed.
Medex SKU: GL-603400