{"product_id":"hiding-heidi-low-contrast-test-for-infants-neardistance","title":"Hiding Heidi Low Contrast Test for Infants Near\/Distance","description":"\u003cdiv class=\"ewa-rteLine\"\u003e\n\u003cp class=\"MsoNormal\" style=\"MARGIN: 0cm 0cm 0pt\"\u003e\u003cspan lang=\"CY\" style=\"FONT-FAMILY: Tahoma; FONT-SIZE: 9pt; mso-ansi-language: CY\"\u003eThis low contrast face stimulus is designed for assessment of vision for communication. Developed by Dr. Lea Hyvarinen, this set has 6 contrast levels: 1.25%, 2.5%, 5%, 10%, 25% and 100%. A blank card is included to cover the stimulus before presentation to the subject. The practitioner slides the cover away to reveal “Heidi”. Presenting this stimulus to an infant who does not have normal eye movement (whilst observing the infant’s expression) can give information about the child’s visual sphere.\n\u003c\/span\u003e\n\n\u003cspan lang=\"CY\" style=\"FONT-FAMILY: Tahoma; FONT-SIZE: 9pt; mso-ansi-language: CY\"\u003eEach card measures 23 x 23 cm. The set includes instructions with test protocol guidance. \u003c\/span\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"MARGIN: 0cm 0cm 0pt\"\u003e\n\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SV","offers":[{"title":"Default Title","offer_id":53796768710999,"sku":"SV-SDT-384-H","price":227.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/4360\/8663\/files\/SDT-384-H.jpg?v=1781603791","url":"https:\/\/www.sussex-vision.co.uk\/products\/hiding-heidi-low-contrast-test-for-infants-neardistance","provider":"ESP\/SV","version":"1.0","type":"link"}