{"id":19715,"date":"2021-05-20T10:51:09","date_gmt":"2021-05-20T08:51:09","guid":{"rendered":"https:\/\/www.pegasosafety.com\/this-is-how-you-should-read-the-prescription-for-your-glasses\/"},"modified":"2021-08-04T10:06:51","modified_gmt":"2021-08-04T08:06:51","slug":"how-read-prescription-recipe","status":"publish","type":"post","link":"https:\/\/www.pegasosafety.com\/cl\/en\/how-read-prescription-recipe\/","title":{"rendered":"This is how you should read the prescription for your glasses"},"content":{"rendered":"<nav class=\"breadcrumbs\"><span style=\"color: #ffffff;\"><span style=\"color: #808080;\"><a style=\"color: #808080;\" title=\"Pegaso Safety Glasses\" href=\"https:\/\/www.pegasosafety.com\/\">Pegaso Safety<\/a> \u00bb<\/span> <\/span><span style=\"color: #008080;\"><a style=\"color: #008080;\" href=\"https:\/\/www.pegasosafety.com\/en\/blog\/\">Blog<\/a><\/span><strong><span style=\"color: #ffffff;\"><span style=\"color: #008080;\">\u00bb\u00a0<\/span><\/span><\/strong>This is how you should read the prescription for your glasses<\/nav><nav><\/nav>\r\n<p><em>It is advisable to go for a routine visual examination at least once a year, except for those who suffer from some type of pathology and have a specially indicated frequency of review.<\/em><em>It is usual that, in these visits, if we need correction glasses, the optometrist writes us a prescription. We teach you how to easily interpret all those symbols that seem indecipherable.<\/em><\/p>\r\n<h2>\u00a0<\/h2>\r\n<h2><strong>\u00bfPara qu\u00e9 sirve una receta optom\u00e9trica?<\/strong><\/h2>\r\n\r\n<p>An optometric prescription contains the necessary indications so that the optician can perform some <a href=\"https:\/\/www.pegasosafety.com\/en\/glasses\/anti-impact-prescription\/\">prescription glasses,<\/a> with the necessary correction so that with them we can achieve the highest possible visual acuity.<\/p>\r\n<p>Visual acuity is the ability of our visual system to clearly discriminate and identify visual stimuli in good lighting conditions and at certain distances.<\/p>\r\n<p>The function, then, of the prescription lenses will be to correct refractive errors such as <strong>myopia\u00a0<\/strong>(when I can&#8217;t see well from afar), <strong>farsightedness<\/strong> (I see nearby objects blurred), <strong>astigmatism<\/strong> (two focal points that affect my near and far vision) and <strong>presbyopia\u00a0<\/strong>(difficulty seeing well up close that appears naturally with age).<\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<div id=\"attachment_19687\" style=\"width: 899px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-19687\" loading=\"lazy\" class=\"wp-image-19685\" src=\"https:\/\/www.pegasosafety.com\/wp-content\/uploads\/2021\/05\/lentes_\u00f3pticos_2009_Europa-copia-scaled.jpg\" alt=\"Europa_safety_prescription_glasses\" width=\"889\" height=\"347\" \/><p id=\"caption-attachment-19687\" class=\"wp-caption-text\"><a href=\"https:\/\/www.pegasosafety.com\/en\/glasses\/anti-impact-prescription\/\">Prescription Safety Glasses<\/a><\/p><\/div>\r\n<p>&nbsp;<\/p>\r\n<h2><strong>We will start by understanding the abbreviations of the recipe<\/strong><\/h2>\r\n<p><!-- \/wp:heading --><\/p>\r\n<p><!-- wp:paragraph --><\/p>\r\n<p>In your recipe you will find the following abbreviations. We tell you the meaning of each of them:\u00a0<\/p>\r\n<ul>\r\n<li><strong>OD<\/strong>: Right eye<\/li>\r\n<li><strong>OS<\/strong>: Left eye<\/li>\r\n<li><strong>Sphere<\/strong>: diopters that if preceded by a minus sign (-) refers to myopia and preceded by a positive sign (+) to hyperopia.<\/li>\r\n<li><strong>Cylinder:<\/strong> astigmatism diopters, negative or positive (- or +).<\/li>\r\n<li><strong>Axis:<\/strong>position of astigmatism, is expressed in values between 0\u00ba and 180\u00ba<\/li>\r\n<li><strong>ADD:<\/strong> diopters to add to the graduation in VL -Far Vision-, due to presbyopia and is always expressed with a positive sign (+) in front.<\/li>\r\n<li><strong>Prism and Base<\/strong>: amount and direction of strabismus.<\/li>\r\n<\/ul>\r\n<p>It is important to remember that <strong>diopter is a unit of measurement used to express the power of a lens,<\/strong> its refractive capacity.<strong> It is also the unit of measurement used to express the amount of correction an eye requires.<\/strong>suffering from a refractive defect.<\/p>\r\n<p>&nbsp;<\/p>\r\n<h2><strong>Reading a glasses prescription<\/strong><\/h2>\r\n<p>&nbsp;<\/p>\r\n<p><img loading=\"lazy\" class=\"wp-image-19717  aligncenter\" src=\"https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1.png\" alt=\"glasses-prescription-model\" width=\"485\" height=\"191\" srcset=\"https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1.png 681w, https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1-300x118.png 300w, https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1-260x102.png 260w, https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1-50x20.png 50w, https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1-150x59.png 150w, https:\/\/www.pegasosafety.com\/cl\/wp-content\/uploads\/2021\/05\/Mesa-de-trabajo-1-600x236.png 600w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><\/p>\r\n<p>&nbsp;<\/p>\r\n<ol>\r\n<li style=\"list-style-type: none;\">\r\n<ol>\r\n<li>SPHERE. We will first find the value of the sphere. This will be telling us how much power the spherical lenses need to correct a myopia or hyperopia problem. As we said, if it is expressed with a negative sign it refers to myopia and when the positive sign precedes it, it refers to hyperopia<\/li>\r\n<li>CYLINDER AND AXIS. We will explain these values together because they both concern the correctness of the <em>astigmatism<\/em>. The cylinder is expressed in diopters (with positive or negative value) and has to do with the power required by the lens for correction, while the axis is expressed in degrees indicating the orientation in which the toric lens should be placed in relation to the eye.<\/li>\r\n<li>ADDITION. In the case of presbyopia, the degree of lens power required for correction of eyestrain will be indicated here. It is <em>added<\/em> to the distance correction and it is an always positive value, even if the sign (+) does not appear.<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n<h2><strong>Other important values<\/strong><\/h2>\r\n<ol>\r\n<li style=\"list-style-type: none;\">\r\n<ol>\r\n<li style=\"list-style-type: none;\">\r\n<ol><!-- \/wp:heading --><\/ol>\r\n<\/li>\r\n<\/ol>\r\n<p><!-- wp:paragraph --><\/p>\r\n<\/li>\r\n<\/ol>\r\n<p>It may happen that, in cases of phoria or strabismus, the optometrist or ophthalmologist also indicates two values that will serve to correct the muscle decompensation that causes it: <strong>Prism and base.<\/strong> Finally, the\u00a0<strong>PD<\/strong> is the distance between the two centers of the pupils, we will find it expressed in millimeters.<\/p>\r\n<p>The recipe formats can be very varied, but with this information you now have the key concepts with which you can easily interpret your recipe. Remember to visit a professional to check your vision, it is important in the care of your visual health.<\/p>\r\n<h2>Optometric Prescription FAQs<\/h2>\r\n<p style=\"text-align: justify;\"><!-- \/wp:paragraph --><\/p>\r\n<p><!-- wp:heading {\"level\":4} --><\/p>\r\n<h3><strong>What is the meaning of the abbreviations of a prescription for glasses?<\/strong><\/h3>\r\n<p>In an optometric prescription we will commonly find the following abbreviations: OD (right eye) &#8211; OS (left eye) &#8211; SPH (sphere) &#8211; CYL (cylinder) &#8211; AXIS (axis) &#8211; ADD (addition).<\/p>\r\n<h3><strong>What are diopters?<\/strong><\/h3>\r\n<p style=\"text-align: justify;\"><!-- \/wp:heading --><\/p>\r\n<p><!-- wp:paragraph --><\/p>\r\n<p>A diopter is both a unit of measurement that is used to express the power of a lens, its refractive capacity, and it is also the unit of measurement used to express the amount of correction that an eye that suffers from a refractive error requires.<\/p>\r\n<h3><strong>How often should I have my vision checked?<\/strong><\/h3>\r\n<p style=\"text-align: justify;\"><!-- \/wp:heading --><\/p>\r\n<p><!-- wp:paragraph --><\/p>\r\n<p>It is advisable at least once a year to go to a specialist to check our eyesight, except in those cases in which, due to suffering from a pathology, the doctor indicates a special frequency.<\/p>\r\n<p style=\"text-align: justify;\"><!-- \/wp:paragraph --><\/p>\r\n<p><!-- wp:heading {\"level\":4} --><\/p>\r\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the meaning of the abbreviations of a prescription for glasses?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In an optometric prescription we will commonly find the following abbreviations: OD (right eye) - OS (left eye) - SPH (sphere) - CYL (cylinder) - AXIS (axis) - ADD (addition).\"}},{\"@type\":\"Question\",\"name\":\"What are diopters?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A diopter is both a unit of measurement that is used to express the power of a lens, its refractive capacity, and it is also the unit of measurement used to express the amount of correction that an eye that suffers from a refractive error requires.\"}},{\"@type\":\"Question\",\"name\":\"How often should I have my vision checked?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is advisable at least once a year to go to a specialist to perform a vision review, except in those cases in which, due to any pathology, the doctor indicates a special frequency.\"}}]}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>Pegaso Safety \u00bb Blog\u00bb\u00a0This is how you should read the prescription for your glasses It is advisable to go for a routine visual examination at least<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":2,"featured_media":19693,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[1063],"tags":[1505,1504,1507,1506,1508,1486,1503],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Prescription glasses Recipe | Blog | Pegaso Safety<\/title>\n<meta name=\"description\" content=\"We help you to understand the meaning of you prescription glasses\u00b4s recipe. 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