{"id":910,"date":"2014-10-30T07:00:07","date_gmt":"2014-10-30T14:00:07","guid":{"rendered":"http:\/\/beaumontvision.com\/?p=910"},"modified":"2019-04-08T20:05:35","modified_gmt":"2019-04-08T20:05:35","slug":"visual-acuity-mean-2020-vision","status":"publish","type":"post","link":"https:\/\/beaumontvision.com\/index.php\/2014\/10\/30\/visual-acuity-mean-2020-vision\/","title":{"rendered":"Visual Acuity: What Do We Mean by 20\/20 Vision?"},"content":{"rendered":"<h2>Does 20\/20 Vision Mean Perfect Vision?<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-912\" src=\"https:\/\/beaumontvision.com\/\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg\" alt=\"visual acuity\" width=\"400\" height=\"300\" srcset=\"https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg 400w, https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-300x225.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Many of us have heard the term \u201c20\/20 vision\u201d tossed about since the time we were children. In many instances, you likely heard that this was the optimal, or perfect kind of vision, and that those who had less than 20\/20 vision basically had eye problems. 20\/20 vision, or what could be called \u201cnormal\u201d visual acuity, refers to the clarity of one\u2019s vision, or how acute that vision is, and it is determined by both optical and neural factors.<\/p>\n<ul>\n<li>How sensitive is the interpretative faculty of the subject\u2019s brain?<\/li>\n<li>How sharp is the retinal focus within the subject\u2019s eye(s)?<\/li>\n<li>How in tact is the subject\u2019s retina, and how well does it function, or perform its duties?<\/li>\n<\/ul>\n<p>These are the factors that determine how clear a person\u2019s vision is, and conversely, the types of corrective measures that should be taken if the person\u2019s vision is less than normal when it comes to visual acuity. Let\u2019s take a look at a few other ideas surrounding 20\/20 vision, and visual acuity.<!--more--><\/p>\n<h2>Determining Visual Acuity<\/h2>\n<p><a title=\"What Is a Visual Field Test?\" href=\"https:\/\/beaumontvision.com\/what-is-a-visual-field-test\/\">Visual acuity testing<\/a> is typically measured with the subject at a distance of twenty feet from the subject matter they are asked to focus on. To say that a person has 20\/20 vision is to say that they can accurately see what is in front of them, from 20 feet away. When broken down in this way, it\u2019s pretty clear that 20\/20 vision doesn\u2019t necessarily imply perfect vision, just how sharp a person can see from the distance of 20 feet.<\/p>\n<p>But how far away from an object that a person can see clearly isn\u2019t the only factor that affects the quality or ability of one\u2019s vision. How well one can see and process information in the periphery of their vision is also a factor, as well as the coordination of their eyes. Think about sports, for instance \u2013 how important do you think it is for a basketball player to have accurate depth perception? Immensely important, given the fact that in order to shoot the ball through the hoop, the athlete must be able to accurately assess how far away the hoop is.<\/p>\n<p>One\u2019s ability to focus, as well as color vision, are two other important factors that impact the quality of a person\u2019s vision.<\/p>\n<h2>Optical Factors That Might Affect Visual Acuity<\/h2>\n<p>There are several factors that impact one\u2019s visual acuity on an optical level, including refractive error, or ametropia, which is related to how the eyeball refracts light; ametropia could be the result of something as simple as an abnormally shaped eyeball or cornea. Refractive error as it relates to the eyeball\u2019s length can result in either <a title=\"Understanding Hyperopia or Farsightedness\" href=\"https:\/\/beaumontvision.com\/understanding-hyperopia-or-farsightedness\/\">hyperopia<\/a> (farsightedness) or <a title=\"Understanding Myopia or Nearsightedness\" href=\"https:\/\/beaumontvision.com\/understanding-myopia-or-nearsightedness\/\">myopia<\/a> (nearsightedness).<\/p>\n<p>From an optical standpoint, other causes impacting visual acuity may include corneal irregularities of a more complicated nature, and <a title=\"Understanding Astigmatism\" href=\"https:\/\/beaumontvision.com\/understanding-astigmatism\/\">astigmatism<\/a>.<\/p>\n<h2>Neural Factors That Might Affect Visual Acuity<\/h2>\n<p>Negatively affected visual acuity as a result of neural factors will be found in either the retina or a person\u2019s brain, with a common example being the case of <a title=\"Understanding Age-Related Macular Degeneration\" href=\"https:\/\/beaumontvision.com\/understanding-age-related-macular-degeneration\/\">macular degeneration<\/a>. If a person has had brain damage, for instance, this could result in diminished visual acuity. This includes a stroke, as well.<\/p>\n<h2>How to Go About Determining Visual Acuity<\/h2>\n<p>A qualified eye doctor (doctor of optometry), through the administration of a <a title=\"Contact Us\" href=\"https:\/\/beaumontvision.com\/contact-us\/\">comprehensive eye examination<\/a>, can accurately assess your visual acuity. Furthermore, there are numerous tests by which a doctor of optometry can gauge the factors that might be affecting or reducing the quality of your vision. There are many remedies available, such as glasses, contact lenses, vision therapy, and surgery, depending on the type of vision problem, and its severity.<\/p>\n<p>[Photo Credit: <a href=\"http:\/\/www.lcrfwired.org\/images\/20_20_vision.jpg\" target=\"_blank\" rel=\"noopener noreferrer\">LCRF Wired<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Does 20\/20 Vision Mean Perfect Vision? Many of us have heard the term \u201c20\/20 vision\u201d tossed about since the time we were children. In many instances, you likely heard that this was the optimal, or perfect kind of vision, and that those who had less than 20\/20 vision basically had eye problems. 20\/20 vision, or&#8230;<\/p>\n","protected":false},"author":2,"featured_media":912,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[94],"tags":[290,291,292,293,294],"class_list":["post-910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-optometry-information","tag-factors-that-affect-visual-acuity","tag-is-2020-vision-perfect-vision","tag-visual-acuity","tag-what-is-2020-vision","tag-what-is-visual-acuity"],"featured_image_urls_v2":{"full":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"thumbnail":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-150x150.jpg",150,150,true],"medium":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-300x225.jpg",300,225,true],"medium_large":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"large":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"1536x1536":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"2048x2048":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"blog-header":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-400x300.jpg",400,300,true],"portfolio-thumbnail":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"medium-thumbnail":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"team-thumbnail":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-380x300.jpg",380,300,true],"portfolio-long":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-373x300.jpg",373,300,true],"testimonial-thumbnial":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision.jpg",400,300,false],"sow-carousel-default":["https:\/\/beaumontvision.com\/wp-content\/uploads\/2014\/10\/20_20_vision-272x182.jpg",272,182,true]},"post_excerpt_stackable_v2":"<p>Does 20\/20 Vision Mean Perfect Vision? Many of us have heard the term \u201c20\/20 vision\u201d tossed about since the time we were children. In many instances, you likely heard that this was the optimal, or perfect kind of vision, and that those who had less than 20\/20 vision basically had eye problems. 20\/20 vision, or what could be called \u201cnormal\u201d visual acuity, refers to the clarity of one\u2019s vision, or how acute that vision is, and it is determined by both optical and neural factors. How sensitive is the interpretative faculty of the subject\u2019s brain? How sharp is the retinal&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/beaumontvision.com\/index.php\/category\/blog-posts\/optometry-information\/\" rel=\"category tag\">Optometry Information<\/a>","author_info_v2":{"name":"Matty Byloos","url":"https:\/\/beaumontvision.com\/index.php\/author\/matty-byloos\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Visual Acuity: What Do We Mean by 20\/20 Vision? - Beaumont Vision<\/title>\n<meta name=\"description\" content=\"Find out what we mean by visual acuity, or 20\/20 vision. Learn the truth of whether or not 20\/20 vision is really the same thing as perfect vision now.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Visual Acuity: What Do We Mean by 20\/20 Vision? - Beaumont Vision\" \/>\n<meta property=\"og:description\" content=\"Find out what we mean by visual acuity, or 20\/20 vision. 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