{"product_id":"ishihara-color-vision-test-book-with-38-plate-with-user-manual","title":"ISHIHARA Color Vision Test Book with 38 Plate with User Manual","description":"\u003ch3\u003eISHIHARA Color Vision Test Book with 38 Plate with User Manual\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eDr Shinobu Ishihara introduced in 1917—almost 100 years ago—the most well\nknown color blindness test. Each of his tests consists of a set of colored\ndotted plates, each of them showing either a number or a path. Since then this\nis the most widely used color vision deficiency test and still used by most\noptometrists and ophthalmologists all around the world. There are other color\nblindness tests available, but none of them is as famous as the Ishihara\nplates. It is also well known, that even people with normal color vision\nsometimes struggle with this test. But nevertheless this plates are still in\nuse in the absence of any better and still affordable color vision test.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003eVanishing design: Only people with good color vision can see the sign. If you are colorblind you wont see anything.\u003c\/li\u003e\n         \u003cli\u003eTransformation design: Color blind people will see a different sign than people with no color vision handicap.\u003c\/li\u003e\n         \u003cli\u003eHidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you wont be able to see it.\u003c\/li\u003e\n         \u003cli\u003eClassification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans.\u003c\/li\u003e\n  \u003c\/ul\u003e","brand":"KASHSURG","offers":[{"title":"Default Title","offer_id":45080564859031,"sku":"B0764C9YMC","price":190.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0461\/8380\/9175\/files\/B0764C9YMC.jpg?v=1775755594","url":"https:\/\/newnestshop.com\/products\/ishihara-color-vision-test-book-with-38-plate-with-user-manual","provider":"NewNest Australia","version":"1.0","type":"link"}