{"product_id":"special-4-meter-sloan-letters-translucent-contrast-chart-for-914-cabinet","title":"Special 4 Meter Sloan Letters Translucent Contrast Chart ( for 914 cabinet )","description":"\u003cp\u003eTwo smaller groups 5M to 2M for repetitive testing (20\/40, 6\/12 to 20\/10, 6\/3 equiv.).\u003c\/p\u003e\n\u003cp\u003eSmall Illuminator Cabinet (914) is necessary with these low contrast charts.\u003c\/p\u003e\n\u003cp\u003eHelps detect early signs of vision loss from forming cataracts.\u003c\/p\u003e\n\u003cp\u003eExtremely useful in clinical testing.\u003c\/p\u003e\n\u003cp\u003eContrast Sensitivity tests are extremely calibrated tests. By using Sloan letters based off of a 5x5 grid, along with highly calibrated contrast levels, patients are tested with a highly reliable tool. Contrast Sensitivity tests also depend on the proper retro illumination. Such illumination can be obtained through a small illuminator cabinet and is highly recommended. Many times using ambient lighting will change the contrast level, thereby creating a different test. Proper testing will lead to more reliable results and a more accurate diagnosis.\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"2.5% \/ Scrambled Version A","offer_id":45921503740065,"sku":"2184A","price":53.5,"currency_code":"USD","in_stock":true},{"title":"2.5% \/ Scrambled Version B","offer_id":45921503871137,"sku":"2185 CUSTOM","price":53.5,"currency_code":"USD","in_stock":true},{"title":"2.5% \/ Scrambled Version C","offer_id":45972225196193,"sku":null,"price":53.5,"currency_code":"USD","in_stock":true},{"title":"10% \/ Scrambled Version A","offer_id":45921503772833,"sku":"2187A","price":53.5,"currency_code":"USD","in_stock":true},{"title":"10% \/ Scrambled Version B","offer_id":45921503805601,"sku":"2185 CUSTOM","price":51.75,"currency_code":"USD","in_stock":true},{"title":"10% \/ Scrambled Version C","offer_id":45972225228961,"sku":null,"price":53.5,"currency_code":"USD","in_stock":true},{"title":"25% \/ Scrambled Version A","offer_id":45921503936673,"sku":"2188A","price":53.5,"currency_code":"USD","in_stock":true},{"title":"25% \/ Scrambled Version B","offer_id":45921503969441,"sku":"2188B","price":53.5,"currency_code":"USD","in_stock":true},{"title":"25% \/ Scrambled Version C","offer_id":45972225261729,"sku":null,"price":53.5,"currency_code":"USD","in_stock":true},{"title":"5% \/ Scrambled Version A","offer_id":45921504034977,"sku":"2186A","price":64.25,"currency_code":"USD","in_stock":true},{"title":"5% \/ Scrambled Version B","offer_id":45921504067745,"sku":"2186B","price":53.5,"currency_code":"USD","in_stock":true},{"title":"5% \/ Scrambled Version C","offer_id":45972225294497,"sku":"2186C","price":53.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/LowContrastsloanvisonlosstool_cd3e0231-ee0b-4362-8881-6928dba21d76.jpg?v=1776157212","url":"https:\/\/precision-vision.com\/products\/special-4-meter-sloan-letters-translucent-contrast-chart-for-914-cabinet","provider":"Precision Vision","version":"1.0","type":"link"}