{"id":18185,"date":"2025-08-28T16:26:10","date_gmt":"2025-08-28T16:26:10","guid":{"rendered":"https:\/\/orickmedicosarl.com\/?post_type=product&#038;p=18185"},"modified":"2025-10-07T11:08:12","modified_gmt":"2025-10-07T11:08:12","slug":"visual-acuidity-chart","status":"publish","type":"product","link":"https:\/\/orickmedicosarl.com\/index.php\/product\/visual-acuidity-chart\/","title":{"rendered":"Visual Acuidity Chart"},"content":{"rendered":"<p>The standard logarithmic visual acuity chart, also known as the modified Snellen chart or LogMAR (Logarithm of the Minimum Angle of Resolution) chart.<\/p>\n<p>Primary Use: This chart is used to assess a person&#8217;s visual acuity, i.e., the sharpness of their vision.<\/p>\n<p>Structure: It displays &#8220;E&#8221; letters of various sizes and orientations (up, down, left, or right) across several lines. The letters decrease in size as you move down the chart.<\/p>\n<p>Formulas: The chart includes formulas for calculating visual acuity (V) and design distance (D), as well as the LogMAR (L) value, which is a logarithmic measure of visual acuity.<\/p>\n<p>Test Distance: A design distance of 2.5 meters is specified for the test.<\/p>\n<p>Additional Tests: At the bottom of the table, there are circles with colored numbers, suggesting an integrated color vision test (Ishihara type) to detect potential deficits.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The standard logarithmic visual acuity chart, also known as the modified Snellen chart or LogMAR (Logarithm of the Minimum Angle of Resolution) chart.<\/p>\n<p>Primary Use: This chart is used to assess a person&#8217;s visual acuity, i.e., the sharpness of their vision.<\/p>\n<p>Structure: It displays &#8220;E&#8221; letters of various sizes and orientations (up, down, left, or right) across several lines. The letters decrease in size as you move down the chart.<\/p>\n<p>Formulas: The chart includes formulas for calculating visual acuity (V) and design distance (D), as well as the LogMAR (L) value, which is a logarithmic measure of visual acuity.<\/p>\n<p>Test Distance: A design distance of 2.5 meters is specified for the test.<\/p>\n<p>Additional Tests: At the bottom of the table, there are circles with colored numbers, suggesting an integrated color vision test (Ishihara type) to detect potential deficits.<\/p>\n","protected":false},"featured_media":18186,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[225],"product_tag":[],"class_list":{"0":"post-18185","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ophtalmology","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/18185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/comments?post=18185"}],"version-history":[{"count":1,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/18185\/revisions"}],"predecessor-version":[{"id":18187,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product\/18185\/revisions\/18187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/media\/18186"}],"wp:attachment":[{"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/media?parent=18185"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=18185"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=18185"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/orickmedicosarl.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=18185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}