{"product_id":"18mm-diameter-brock-string-vision-convergence-insufficiency-training-toolz-sj","title":"18mm Diameter Brock String Vision Convergence Insufficiency Training Tool'Z SJ","description":"\u003cp\u003eITEM NAME:18mm Diameter Brock String Vision Convergence Insufficiency Training Tool'Z SJ Description: Brock String - used in fixing convergence insufficiency and sports training. The basic purpose of the Brock String is to develop good binocular 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. Size:beads diameter:1.8cm(0.7'') Rope length:260cm(102'') Package includes:a cord, three beads, and one case Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm..Find many great new \u0026amp; used options and get the best deals for 18mm Diameter Brock String Vision Convergence Insufficiency Training Tool'Z SJ at the best online prices at Order2india Shopping! Free shipping for many products!\u003c\/p\u003e","brand":"O2INEW","offers":[{"title":"Default Title","offer_id":1405073031183,"sku":"O2I-1-373778098246","price":1507.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0929\/2582\/products\/s-l2000__03631_5486ec0d-a94c-4dc2-a147-74ff93d1c29e.jpg?v=1679871095","url":"https:\/\/order2india.com\/products\/18mm-diameter-brock-string-vision-convergence-insufficiency-training-toolz-sj","provider":"ORDER2INDIA SHOPPING","version":"1.0","type":"link"}