{"id":87104,"date":"2021-03-02T07:54:13","date_gmt":"2021-03-02T07:54:13","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=87104"},"modified":"2023-07-20T08:52:19","modified_gmt":"2023-07-20T08:52:19","slug":"dioptre","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/dioptre\/","title":{"rendered":"Dioptre"},"content":{"rendered":"<p>A unit of measurement of the refraction of a lens.<\/p>\n<hr \/>\n<p>A term used in the measurement of the refractive or focusing power of lenses; one dioptre is the power of a lens with a focal distance of one metre and is the unit of refractive power. As a stronger lens has a greater refractive power, this means that the focal distance will be shorter. The strength in dioptres therefore is the reciprocal of the focal length expressed in metres.<\/p>\n<hr \/>\n<p>A dioptric, a unit of measurement for the power of refraction or &#8220;strength&#8221; of a lens, determines its magnifying capability. A lens with a higher dioptric value indicates a stronger lens. Lenses that converge parallel light rays have a positive dioptric number and are employed to correct farsightedness. On the other hand, lenses that cause light rays to diverge possess a negative dioptric number and are used to correct nearsightedness, also known as myopia.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A unit of measurement of the refraction of a lens. A term used in the measurement of the refractive or focusing power of lenses; one dioptre is the power of a lens with a focal distance of one metre and is the unit of refractive power. As a stronger lens has a greater refractive power, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-87104","post","type-post","status-publish","format-standard","hentry","category-d"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dioptre - Definition of Dioptre<\/title>\n<meta name=\"description\" content=\"A unit of measurement of the refraction of a lens.A term used in the measurement of the refractive or focusing power of lenses; one dioptre is the power of a lens with a focal distance of one metre and is the unit of refractive power. As a stronger lens has a greater refractive power, this means that the focal distance will be shorter. The strength in dioptres therefore is the reciprocal of the focal length expressed in metres.A dioptric, a unit of measurement for the power of refraction or &quot;strength&quot; of a lens, determines its magnifying capability. A lens with a higher dioptric value indicates a stronger lens. Lenses that converge parallel light rays have a positive dioptric number and are employed to correct farsightedness. On the other hand, lenses that cause light rays to diverge possess a negative dioptric number and are used to correct nearsightedness, also known as myopia.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/dioptre\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dioptre - Definition of Dioptre\" \/>\n<meta property=\"og:description\" content=\"A unit of measurement of the refraction of a lens.A term used in the measurement of the refractive or focusing power of lenses; one dioptre is the power of a lens with a focal distance of one metre and is the unit of refractive power. As a stronger lens has a greater refractive power, this means that the focal distance will be shorter. The strength in dioptres therefore is the reciprocal of the focal length expressed in metres.A dioptric, a unit of measurement for the power of refraction or &quot;strength&quot; of a lens, determines its magnifying capability. A lens with a higher dioptric value indicates a stronger lens. Lenses that converge parallel light rays have a positive dioptric number and are employed to correct farsightedness. On the other hand, lenses that cause light rays to diverge possess a negative dioptric number and are used to correct nearsightedness, also known as myopia.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.healthbenefitstimes.com\/glossary\/dioptre\/\" \/>\n<meta property=\"og:site_name\" content=\"Glossary\" \/>\n<meta property=\"article:published_time\" content=\"2021-03-02T07:54:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-20T08:52:19+00:00\" \/>\n<meta name=\"author\" content=\"Glossary\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Glossary\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/dioptre\/\",\"url\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/dioptre\/\",\"name\":\"Dioptre - Definition of Dioptre\",\"isPartOf\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#website\"},\"datePublished\":\"2021-03-02T07:54:13+00:00\",\"dateModified\":\"2023-07-20T08:52:19+00:00\",\"author\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#\/schema\/person\/ccfef987a4882e6356ae6d77d33e74c5\"},\"description\":\"A unit of measurement of the refraction of a lens.A term used in the measurement of the refractive or focusing power of lenses; one dioptre is the power of a lens with a focal distance of one metre and is the unit of refractive power. 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As a stronger lens has a greater refractive power, this means that the focal distance will be shorter. The strength in dioptres therefore is the reciprocal of the focal length expressed in metres.A dioptric, a unit of measurement for the power of refraction or \"strength\" of a lens, determines its magnifying capability. A lens with a higher dioptric value indicates a stronger lens. Lenses that converge parallel light rays have a positive dioptric number and are employed to correct farsightedness. On the other hand, lenses that cause light rays to diverge possess a negative dioptric number and are used to correct nearsightedness, also known as myopia.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.healthbenefitstimes.com\/glossary\/dioptre\/","og_locale":"en_US","og_type":"article","og_title":"Dioptre - Definition of Dioptre","og_description":"A unit of measurement of the refraction of a lens.A term used in the measurement of the refractive or focusing power of lenses; one dioptre is the power of a lens with a focal distance of one metre and is the unit of refractive power. As a stronger lens has a greater refractive power, this means that the focal distance will be shorter. 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