{"product_id":"prism-risley-rotary-30pd","title":"Prism: Risley Rotary - 30PD","description":"\u003cp\u003eLarge aperture (1\"\/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Version +\/- 30 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Prism: Risley Rotary - 30PD","offer_id":47847515390057,"sku":"Z-467400","price":776.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-prism-risley-rotary-20pd-prism-risley-rotary-467300-1209708447.jpg?v=1764703049","url":"https:\/\/store.good-lite.com\/en-canada\/products\/prism-risley-rotary-30pd","provider":"Good-Lite Co","version":"1.0","type":"link"}