{"product_id":"optokinetic-drum","title":"Optokinetic Drum","description":"\u003cp\u003eOKN Drums accurately test for nystagmus when rotated at 8-10 rpm. \u003c\/p\u003e\u003cp\u003eThree sizes of drums are available. All three drums spin on ball bearings for effortless rotation. \u003c\/p\u003e\u003cp\u003eFor use 24” to 35” from patient. Standard Black and White stripes useful for adults and children.   \u003c\/p\u003e\u003cp\u003eTen Inch drum is the traditional size of 10” high by 6” diameter ( 25 cm x 15 cm) and weighs 29 oz (822 grams).\u003cbr\u003e\u003c\/p\u003e","brand":"Akriti","offers":[{"title":"Default Title","offer_id":53324007407829,"sku":"OKN10","price":171.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/0412\/1813\/files\/547500_Optokinetic-Drum-Optokinetic-Drum.png?v=1772212625","url":"https:\/\/smartophthalmic.com\/es\/products\/optokinetic-drum","provider":"smartophthalmic","version":"1.0","type":"link"}