{ bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, }); { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, ga('send', 'pageview'); Add 20/20 vision to one of your lists below, or create a new one. googletag.enableServices(); { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, googletag.pubads().disableInitialLoad(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. googletag.pubads().setTargeting("cdo_ptl", "entry-mcp"); Instead of 20/20 vision, the goal is 6/6. pbjsCfg.consentManagement = { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, By Hogmanay tradition a dark-haired man who If you have 20/15 vision, you can see a line in the eye chart at 20 feet that the average person can only see when they are 15 feet away. googletag.pubads().setTargeting("cdo_l", "en"); iasLog("criterion : cdo_c = " + ["beauty_health_fitness"]); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, However, as with most measurements in health care, there is a normal “range” of vision. { bidder: 'sovrn', params: { tagid: '446382' }}, are visual acuity measurements. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, Eye charts can be configured in various ways, but generally, if during an eye test you can read the big E at the top but none of the letters lower than that, your vision is considered 20/200. Dr. McKinney says that only about 35% of all adults have 20/20 vision without glasses, contact lenses or eye surgery. if(pl_p) The expression "20/20" is so common in the United States that there's even a TV show named after it. Some of us may see slightly less than 20/20, say 20/25, and some of us may see better than 20/20, say 20/15, and still be considered normal. { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, googletag.pubads().setTargeting("cdo_c", ["beauty_health_fitness"]); 'max': 8, { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, The top number is your distance in feet from the chart. Immediate access to messages of 2020. var mapping_houseslot_a = googletag.sizeMapping().addSize([963, 0], [300, 250]).addSize([0, 0], []).build(); googletag.pubads().setTargeting("cdo_dc", "english"); McKinney is an ophthalmologist and glaucoma specialist at Eye Health Northwest, Oregon City, Ore. { bidder: 'appnexus', params: { placementId: '11654174' }}, name: "unifiedId", },{ }); If so, the American Academy of Ophthalmology recommends you have your child's vision tested. 'min': 8.50, { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, 20/40 vision is half the acuity of 20/20. 'buckets': [{ userIds: [{ The term "20/20" and similar fractions (such as 20/40, 20/60, etc.) enableSendAllBids: false, { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, No matter these considerations, let’s say your eye doctor says you have 20/20 vision (or, more properly, 20/20 visual acuity), and you desire sharper eyesight. What can you do? type: "html5", 'max': 36, { bidder: 'appnexus', params: { placementId: '11654208' }}, Get ophthalmologist-reviewed tips and information about eye health and preserving your vision. { Even if you have 20/20 vision, you need eye exams as you age. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, 20/20 vision as is the terminology in the US, also known as 6/6 vision here in the UK, is the standard of visual acuity that the majority of people can expect to achieve or … { bidder: 'sovrn', params: { tagid: '346698' }}, var pbDesktopSlots = [ This is all determined with a relatively simple, standardized eye test. 20/20 vision is considered a baseline for testing vision. iasLog("criterion : cdo_dc = english"); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, syncDelay: 3000 What does 20/20 vision mean? {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, "authorization": "https://dictionary.cambridge.org/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=ENTRY_TRANSLATE&v1=english&v2=20-20-vision&v3=&v4=english&_=RANDOM", { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); params: { bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, More simply, your vision is superior to the average person. 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