{"product_id":"patti-pics-pv-numbers-near-vision-chart","title":"Patti Pics \u0026 PV Numbers Near Vision Chart","description":"\u003cp bis_size='{\"x\":12,\"y\":16,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":278}'\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":16,\"w\":556,\"h\":39,\"abs_x\":619,\"abs_y\":278}'\u003eThis near vision (40 cm \/ 16 inch) hand-held testing chart is two sided and features a different optotype per side.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":71,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":333}'\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":71,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":333}'\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":71,\"w\":556,\"h\":78,\"abs_x\":619,\"abs_y\":333}'\u003eOn the first side are Patti Pics optotypes which are among the many picture-like symbols for testing children, however, Patti Pics are the only pediatric eye chart that has been designed explicitly to equal Sloan letters as used in ETDRS charts. Patti Pics are recognizable to children and help keep their attention during testing.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":165,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":427}'\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":165,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":427}'\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":165,\"w\":556,\"h\":78,\"abs_x\":619,\"abs_y\":427}'\u003eSide two features PV Numbers optotypes and are calibrated comparatively to our Patti Pics series charts: on the basis of the 5×5 Snellen grid and calibrated for equal recognizably against Sloan letters. Even illiterate adults can often recognize numbers. Deaf or mute adults can indicate the number seen with simple finger signs.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":259,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":521}'\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":259,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":521}'\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":259,\"w\":556,\"h\":39,\"abs_x\":619,\"abs_y\":521}'\u003eThe two islands on either side reduce memorization when testing OD, OS, and OU (Oculus Dexter, Oculus Sinister and Oculus Uterque).\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":315,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":577}'\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":315,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":577}'\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":315,\"w\":556,\"h\":58,\"abs_x\":619,\"abs_y\":577}'\u003eConstructed with the same precision, accuracy, and methodology as traditional \u003ca href=\"https:\/\/precision-vision.com\/product-category\/etdrs\/etdrs-charts\/\" rel=\"noreferrer noopener\" bis_size='{\"x\":12,\"y\":315,\"w\":529,\"h\":38,\"abs_x\":619,\"abs_y\":577}' target=\"_blank\"\u003eETDRS charts\u003c\/a\u003e. Lines are of equal difficulty. Geometric progression in letter size from line to line. Letter size is only variable.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":389,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":651}'\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":389,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":651}'\u003e\u003c!-- wp:paragraph --\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":389,\"w\":556,\"h\":19,\"abs_x\":619,\"abs_y\":651}'\u003eClick additional information to the above for more specifications.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":425,\"w\":556,\"h\":19,\"abs_x\":619,\"abs_y\":687}'\u003eManufactured to the 20\/16 acuity line\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":461,\"w\":556,\"h\":0,\"abs_x\":619,\"abs_y\":723}'\u003e\u003c!-- \/wp:paragraph --\u003e\u003c\/p\u003e","brand":"Precision Vision","offers":[{"title":"Default Title","offer_id":45921513177249,"sku":"2513","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4321\/7569\/files\/5341ebb1-2513-web_image.jpg?v=1776157238","url":"https:\/\/precision-vision.com\/products\/patti-pics-pv-numbers-near-vision-chart","provider":"Precision Vision","version":"1.0","type":"link"}