OCTYPE html>app_id" content="1529595680591919"/>1/> set=utf-8">resbyopia: Causes, Risk Factors oms> a name="description" content=" Presbyopia is an eye condition in which your eye slowly loses the ability to quickly focus on objects that are close. It is a disorder that affects everyone people during the natural aging process of their eyes. When light enters the eye, it p" />/>> nk rel="alternate" href="http://it.healthline.com/health/presbiopia" hreflang="it" /> te" href="http://tr.healthline.com/health/presbiyopi" hreflang="tr" />hreflang="tr" /> link rel="alternate" href="http://no.healthline.com/health/presbyopi" hreflang="no" /> ate" href="http://ko.healthline.com/health/presbyopia" hreflang="ko" /> link rel="alternate" href="http://de.healthline.com/health/presbyopie" hreflang="de" /> te" href="http://pt.healthline.com/health/presbiopia" hreflang="pt" /> nate" href="http://pl.healthline.com/health/dalekowzrocznosc-starcza" hreflang="pl" />ternate" href="http://sv.healthline.com/health/alderssynthet-presbyopi" hreflang="sv" /> e" href="http://fr.healthlincom/health/presbytie" hreflang="fr" /> "http://www.healthline.com/health/presbyopia" hreflang="en" /> te" href="http://ru.healthline.com/health/presbiopiya" hreflang="ru" /> < rel="alternate" href="http://es.healthline.com/health/presbicia" hreflang="es" /> p://ja.healthline.com/health/presbyopia" hreflang="ja" />yopia" hreflang="ja" /> link rel="alternate" href="http://nl.healthline.com/health/presbyopie" hreflang="nl" /> a http-equiv="content-language" content="en"> >> li>h/cold-flu?ref=global">Cold ld-flu?ref=global">Cold -flu?ref=global">Cold lu?ref=global">Cold global">COPDal">COPDCOPDOPDDa>> -disease?ref=global">Crohn's Disease/a> lobal">Depression li>l">Fibromyalgia li>> al">HIV bal">Hypertension al">IBS>IBS ">Menopause/a> s?ref=global">Multiple Sclerosis (MS) li>>s =global">Pregnancy ul> li>>Psoriasis li>Health Newser-signup?ref=global">Newsletter Sign-Upsletter Sign-Up i> archbox"> form id="sf1" name="sf1" action="/search" method="get"> ss="searchterm p" /> div> iv empty AND false AND false AND falseND false false alse -->
rtisement/div>div>iv>> lb lb1"> e"> ling="no" frameborder="0" src="http://ads.healthline.com/v2/adajax?app=pre"> area"> dclass="persist-header">"persist-header">persist-header">sist-header">st-header">-header">eader">der"> ox-sticky layerie7"> layerie7"> adcrumb">crumb"> data-vocabulary.org/Breadcrum< tment"> Treatmentmenta>>"#Prevention"> Preventionrevention"> Preventionvention"> Prevention/a> div class="hl-arrow-tabnav hl-right-arrow-tabnav hl-icon-right-arrow">ow"> : '1529595680591919', xfbml : true, version : 'v2.1' }); ;function(d, s, id){ var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) {return;} js = d.createElement(s); js.id = id;lement(s); js.id = id; js.src = "//connect.facebook.net/en_US/sdk.js";js"; fjs.parentNode.insertBefore(js, fjs);}(document, 'script', 'facebook-jssdk'));/script>script> div itemscope itemtype="http://schema.org/Article" class="container-article"> aicle class="hl-article-toc">le class="hl-article-toc"> sbyopia? byopia? Presbyopia yopia pia ty to quickly focus on objects that are close. It is a disorder that affects everyone people during the natural aging process of their eyes. ss of their eyes. of their eyes. f their eyes. pupil. The iris, the colored ring in your eye, opens and closes the pupil to adjust the amount of light passing through it. It then passes through the lens. In its healthiest state, the lens changes shape so it can bend the rays further and focus them on the retina at the back of the eye. However, with age, the lenses of your eyes become less flexible and can’t change shape as easily. As a result, the lens is unable to bend the light properly to focus it on the retina. t on the retina. on the retina. over-the-counter drugs can reduce your eye’s ability to focus on close images. Taking the following drugs can put you at a higher risk for presbyopia:/p> ul> li>antipsychoticstions that may put you at a higher risk for the earlier onset of presbyopia are:
  • d.ontinue to gradually lose more of their ability to focus on close objects, your prescription will have to be reviewed and changed according to the advice of your eye specialist. of your eye specialist. /p>are several surgical options to treat presbyopia, such as: l> li>>Conductive keroplastyve keroplasty keroplasty (CK) uses radiofrequency energy to change the curvature of the cornea. While effective, the correction may diminish over time for some peoplen may diminish over time for some people/li> itu keratomileusisratomileusisatomileusis/strong> (LASIK) can be used to create monovision. This adjustment corrects one eye for near vision and the other eye for distance. for near vision and the other eye for distance. /li> >Refractive lens exchangeractive lens exchangective lens exchangeive lens exchangestrong> involves the removal of your natural lens. It is replaced with a synthetic lens, called an intraocular lens implant, inside your eye. li>

    /li>li>i>> asses when participating in activities that could result in eye injury. healthy diet with foods containing antioxidants, vitamin A, and beta carotene.i> sure you are using the right strength of eyeglasses. ood lighting when reading.ul>> >Consult with your physician or eye specialist regarding any changes in vision or eye health. Many eye diseases and conditions can benefit from early intervention and treatment. treatment. eatment. tment. /p> > div class="span12 box-share-help-feedback"> ="span5"> icle-helpful">le-helpful">-helpful">elpful">pful"> div class="box-helpful-question"> Was this article helpful? tion-yes">Yespan class="helpful-option-no">Noul-option-no">Nopan> p> Send me a copy s="box-textarea">tarea">rea">a">> rea id="feedbacktextarea" class="field-message" rows="4" cols="60" name="messagetext">rea> view-references-title">Showes-title">Show-title">Showitle">Showle">Showss="hl-hide-show-icon hl-icon-down-arrow">an> hl-references-body"> ss="basesources"> ul> i>Care of the Patient with Presbyopia. (2006). etric Association. (2007, May) Foundation of the American Academy of Ophthalmology (FAAO)/em>. Retrieved July 26, 2012, from "http://development.aao.org/eyecare/treatment/eye-exams.cfm">http://development.aao.org/eyecare/treatment/eye-exams.cfma> ts about Presbyopia. (2010, October). Institute (NEI).etried July 21, 2012, from July 21, 2012, from uly 21, 2012, from /www.nei.nih.gov/health/errors/presbyopia.asp">http://www.nei.nih.gov/health/errors/presbyopia.asperrors/presbyopia.asppresbyopia.aspi> ur Eyes Work. (n.d.) Eyes Work. (n.d.) yes Work. (n.d.) erican Optometric Associationieved July 26, 2012, from .aoa.org/x6024.xml">http://www.aoa.org/x6024.xml (n.d.). em>American Academy of OpAmerican Academy of Operican Academy of Op div class="content-promotion-disclaimer">These best multiple sclerosis apps provide helpful information and tools to keep track of your symptoms, including medication reminders.inders.ders. on-link summary-action">ary-action">-action">ction">ion"> erosis iPhone and Android Apps of the Year" href="http://www.healthline.com/health-slideshow/top-iphone-android-multiple-sclerosis-apps"> Read More span> an> > ="content-promotion-story click-link" data="/health-slideshow/severe-reactions-conceal-epinephrine-shot"> n-title">Easy Ways to Conceal an Epinephrine Shot ="/health-slideshow/severe-reactions-conceal-epinephrine-shot">img src="http://www.healthline.com/hlcmsresource/images/slideshow/Severe-reactions-conceal-epinephrine-shot/194x105_Conceal_Epinephrine_Shot.jpg" alt="Easy Ways to Conceal an Epinephrine Shot"/> o discreetly carry your epinephrine autoinjectors safely and discreetly. It’s easier than you think to keep your shots on hand when you’re on the go. div class="content-promotion-link summary-action"> itle="Easy Ways to Conceal an Epinephrine Shot" href="http://www.healthline.com/health-slideshow/severe-reactions-conceal-epinephrine-shot"> aine-vs-chronic-migraine">img src="http://www.healthline.com/hlcmsresource/images/topic_centers/Migraine/jpg/migraine-vs-chronic-migraine/194x105_Migraine_Differences.jpg" alt="Migraine vs. Chronic Migraine: What Are the Differences?"/>a> omotion-text"> . Chronic migraine is one subtype of migraine. Understand what sets these two conditions apart.ion-link summary-action">-link summary-action">ink summary-action"> th-slideshow/migraine-vs-chronic-migraine"> Read More Read More div class="content-promotion-story click-link" data="/health-slideshow/seasonal-allergies-copd-tips-avoid-complications"> iv class="content-promotion-title">Seasonal Allergies and COPD: Tips to Avoid Complications lth-slideshow/seasonal-allergies-copd-tips-avoid-complications">allergies-copd-tips-avoid-complications/194x105_Seasonal-Allergies-and-COPD-Tips-to-Avoid-Complications.jpg" alt="Seasonal Allergies and COPD: Tips to Avoid Complications"/>/a> text"> div class="content-promotion-disclaimer">For COPD patients, allergies pose the risk of serious complications. Learn some basic tips for avoiding allergy-related complicatirame name="ifrmpb" id="ifrmpb" scrolling="no" frameborder="0" style="width:978px;height:25px;margin:0;border:0;overflow:hidden;position:absolute;top:0;left:0" src="http://ads.healthline.com/v2/adajax?app=pre">/iframe> document.write(unescape("%3Cscript src='" + (document.location.protocol == "https:" ? "https://sb" : "http://b") + ".scorecardresearch.com/beacon.js' %3E%3C/script%3E")); , c5:"", c5:"", c6:"", c15:"" });& the power of information. We do this directly through YourDoctor.coma>, and indirectly through our work with the world’s leading healthcare payors, providers, and publishers. er living and better healthcare outcomes, and helps to lower the overall cost of healthcare delivery. /p> hevron">vron">n"> Tipscheck out our other newsletters.

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    hline/" class="hl-hp-pinterest" target="window">="hl-icon-pinterest">-pinterest">i> div> diass="hl-box-footer-3">s="hl-box-footer-3">="hl-box-footer-3"> class="ftsecthdr">h3>Site Map>Site Mapite Map/li> >a href="http://www.healthline.com/directory/health-channels-a">Health Topics rugs-a">Drugs A-Zgs-a">Drugs A-Za">Drugs A-Z>Drugs A-ZDrugs A-Z ealth Experts li class="ftsecthdr">i class="ftsecthdr">s="ftsecthdr">ftsecthdr">li> li>a href="http://www.healthline.com/health/staff">Our Staff/a> li>bout Healthline.com<>">About Healthline Corpi> class="ftsecthdr"> om/about-us/careers/">Careers .com/solutions/marketing/">Advertise With Us/a>a>/li> ewsletter Sign-Up "> //www.healthonnet.org/HONcode/Conduct.html?HONConduct694855">ode/Conduct.html?HONConduct694855">/HONcode/Seal/HONConduct694855_s.gif" width="49" height="72" alt="This website is certified by Health On the Net Foundation. Click to verify."> ables needed? // do they need to be global variables? microsoft_adunit_keywordhints = "Presbyopia"; u_microsoft_adunit_channelids = ""; microsoft_adunit_channelids = ""; // is this input field needed? document.write('nput id="msftChannelIds1" name="msftChannelIds1" type="hidden" value="'+microsoft_adunit_channelids+'">');nnelids+'">');ids+'">');'">'); require(["jquery","base/dfpmanager","base/responsive-ads","matchmedia"],function($,AppDfpmanager,AppResponsiveAds){ // default - show LB ad on page load var isAdOnPageLoad = true; var isAdOnPageLoad = true; var breakpointsToHideAd = [];= []; var breakpointsToHideAdByPageType = []; breakpointsToHideAdByPageType = ['768','600']; breakpointsToHideAdByPageType = ['768','600']; isAdOnPageLoad = AppResponsiveAds.getShowAdOnPageLoad("LB",breakpointsToHideAd,breakpointsToHideAdByPageType); var cfgDfpManager = { cfgDfpManager = { isAdOnPageLoad: isAdOnPageLoad, adshost : 'http://ads.healthline.com', logged_in : 'false', dfpAdSite : 'hn.us.hl.lc.x.x.x', dfpAdSite : 'hn.us.hl.lc.x.x.x',n.us.hl.lc.x.x.x',us.hl.lc.x.x.x', btk1 : '', btk2 : '', kw : 'presbyopia,2791910', k1 : 'presbyopia', k2 : 'eyedisorders', k3 : 'health', k3 : 'health', k3 : 'health', pos : 'lb', ugc : 'false', ac : '', ac : '', uac : '', akh : 'Presbyopia', aks : '5000', env : '', msiteID : '', msiteID : '', msiteID : '', msiteID : '',msiteID : '', adTagPageUrl : encodeURIComponent('/health/presbyopia'),odeURIComponent('/health/presbyopia'), partner : 'www', pg_dart_site : 'hn.us.hl.lc.x.x.x', pg_dart_zon visit_type : 'HCviewer', yeildex : 'true', targetsrc : '' 'true', targetsrc : ''rue', targetsrc : '' }; AppDfpmanager.lbIframeInit(cfgDfpManager); }); false, isNewsChecked: false }); }); }); }); ion() { $( '#box-health-tools' ).on( 'click', 'a', function(){ if( $( this ).text() == 'Doctor Search' ){ _gaq.push( [ 'hl._link', $( this ).attr( 'href' ) ] ); return !window._gat; } return true; }); }); }); script> require([require([quire([ 'jquery','jquery',uery', 'base/util/sharebar' 'base/util/sharebar'e/util/sharebar'util/sharebar'il/sharebar' ],function( $ ) { ],function( $ ) {nction( $ ) {$ ) { { // todo: need to // todo: need to // - fix bug regarding HTML encoding, apostrophes, double quotes and question mark characters with page title data that is passed to facebook via the name parameter // - in FE, decode any HTML encoding in title data // - in FE, decode any HTML encoding in title data // - in FE, escape the page title data // - verify four uses cases: // - html encoding // - single quote // - double quote // - question mark $(document).ready(function() { var page_image; var customWidgets = new Array(); var stringWidget = "facebook,twitter,googleplus,email,print"; var isPrintFriendly = false; if( (typeof stringWidget) == "string" nSize: "medium", widgets: cu widgets: cupage_description : ''), email_page_url: HLSHAREBAR.email_page_url, email_page_title: HLSHAREBAR.email_page_title //page_image: page_image //page_image: page_image//page_image: page_image }); }); }); });); }); cript> maskColor: '#555555', maskLoadSpeed: 200, maskOpacity: 0.5, maskZindex: 9999999, top: "center",top: "center",p: "center", "center",center",nter",er", left: "center", close: ".overlay-close", onBeforeLoad: onBeforeLoadFunc }; AppOverlay.initialize( cfgOverlay ); }); require([ "base/rwd/title-area" ], function( WidgetTitleAreaResponsive ){ WidgetTitleAreaResponsive.initialize({ pubDateExists: true, medReviewDateExists: false, medReviewedBy: '', reviewDate: '' }); }); promoTitle = "Trending Now"; partnerId = 28; partnerId = 28; adRefresh = true; adRefresh = true; adRefresh = true; if ( $( ".hl-sponsor-disclaimer" ).length ) { sponsorDisclaimerOffset = 78; } cfg = { promoTitle: promoTitle, partnerId: partnerId,partnerId: partnerId, contentPromoOffset: 70,tPromoOffset: 70, sponsorDisclaimerOffset: sponsorDisclaimerOffset, adRefresh: adRefresh, mr1RefreshTime: mr1RefreshTime, isLargeLandscapeImage isLargeLandscapeImage if( $('.fb-view-comments-bar').length ) { $('.fb-view-comments-bar').click(function() {ents-bar').click(function() { $('.fb-view-comments-bar').toggleClass( 'open' ); if( $('.fb-view-comments-bar').hasClass( 'open' ) ) {asClass( 'open' ) ) { lass( 'open' ) ) { $('.fb-view-comments-bar span.fb-view-comments-arrow').removeClass( "hl-icon-right-solid-arrow" ).addClass('hl-icon-down-arrow');-arrow');row');); $('#fb-view-count').hide(); $('#fb-view-count').hide(); } else { $('.fb-view-comments-bar span.fb-view-comments-arrow').removeClass( "hl-icon-down-arrow" ).addClass('hl-icon-right-solid-arrow'); $('#fb-view-count').show(); } } if($('#fb-view-count').html() == ')'('#fb-view-count').hide();w-count').hide();ount').hide();nt').hide(); }); }); }); });}); } }); }); maskOpacity: 0.5,maskOpacity: 0.5,skOpacity: 0.5,Opacity: 0.5,acity: 0.5,city: 0.5,ty: 0.5,: 0.5,0.5,5, , maskZindex: 9999999,askZindex: 9999999,Zindex: 9999999,ndex: 9999999,ex: 9999999,9999999,999999,9999,99,, top: "center", left: "center", close: ".overlay-close", onBeforeLoad: onBeforeLoadFunc }; AppOverlay.initialize(cfgOverlay); }); }); dunit_channelids = "" microsoft_adunit_channelids = ""; var breakpointsToHideAd = []; var breakpointsToHideAdByPageType = []; breakpointsToHideAdByPageType = ['768','600','480','320']; isAdOnPageLoad = AppResponsiveAds.getShowAdOnPageLoad("MR1",breakpointsToHideAd,breakpointsToHideAdByPageType); var adSize = '300x250,300x600'; if(matchMedia('only screen and (max-width: 600px)').matches) { adSize = '300x50,300x250'; } } var cfgDfpManager = { var cfgDfpManager = { isAdOnPageLoad: isAdOnPageLoad, adshost : 'http://ads.healthline.com', adSize: adSize, dfpAdSite : 'hn.us.hl.lc.x.x.x', btk1 : '', btk2 : '', btk2 : '', kw : 'presbyopia,2791910', k1 : 'presbyopia', k2 : 'eyedisorders', k2 : 'eyedisorders', k3 : 'health', pos : 'mr1','mr1',, ugc : 'false', ac : '', ac : '', uac : '', akh : 'Presbyopia', aks : '5000', aks : '5000', env : '', msiteID : '', adTagPageUrl : encodeURIComponent('/health/presbyopia'), yeildex : 'true', targetsrc : '' }; var mr1timeout = setTimeout(function() { AppDfpmanager.mr1IframeInit(cfgDfpManager); }, 300); }); var breakpointsToHideAdByPageType = []; breakpointsToHideAd = ['997','768','600','480','320']; breakpointsToHideAd = ['997','768','600','480','320']; var isAdOnPageLoad = AppResponsiveAds.getShowAdOnPageLoad("MR2",breakpointsToHideAd,breakpointsToHideAdByPageType); var cfgDfpManager = { isAdOnPageLoad: isAdOnPageLoad, adshost : 'http://ads.healthline.com', dfpAdSite : 'hn.us.hl.lc.x.x.x',hn.us.hl.lc.x.x.x',c.x.x.x', btk1 : '', btk2 : '', kw : 'presbyopia,2791910', k1 : 'presbyopia', k2 : 'eyedisorders', k3 : 'health', pos : 'mr2', ugc : 'false', ugc : 'false', ac : '', uac : '', env : '', msiteID : '', adTagPageUrl : encodeURIComponent('/health/presbyopia'), yeildex : 'true' , targetsrc : '' }; AppDfpmanager.mr2IframeInit(cfgDfpManager); }); // dom ready }); // dom ready }); rightRailNotSticky = false; require([ 'base/article-toc', 'base/article-common' ], function( AppArticleToc, AppArticleTocCommon ){ AppArticleToc.initialize({ isWslAdDisplayed: isWslAdDisplayed, isArticleHelpful: false, partnerId: 28,tlePaddingAuto: false, isFbCommentsOn: false,se, rightRailNotSticky: rightRailNotSticky }); AppArticleTocCommon.initialize(); }); }); var isMsiteId = false; var isMoveMr2 = true; require([ "base/rwd/article-toc" ], function( AppArticleTocRwd ){ AppArticleTocRwd.initialize({ isMsiteId: isMsiteId, isMsiteId: isMsiteId, adRBTimeDelay: 300, adRBTimeDelay: 300, adRBTimeDelay: 300, adRBTimeDelay: 300, adRBTimeDelay: 300, isMoveMr2: isMoveMr2 }); }); require([ "base/rwd/sharebar-mobile" ], function( AppSharebarMobile ){ AppSharebarMobile.initialize(); }); ads.healthline.com',ine.com', logged_in : 'false', dfpAdSite : 'hn.us.hl.lc.x.x.x', btk1 : '', btk2 : '', btk2 : '', kw : 'presbyopia,2791910', k1 : 'presbyopia', k2 : 'eyedisorders', k3 : 'health', pos : 'lb', pos : 'lb', pos : 'lb', ugc : 'false', ac : '', ac : '', ac : '', ac : '', ac : '', ac : '', ac : '', ac : '', ac : '',ac : '', uac : '', uac : '', akh : '', aks : '5000', env : '', env : '', msiteID : '', adTagPageUrl : encodeURIComponent('/health/presbyopia'), partner : 'healthline', pg_dart_site : 'hn.us.hl.lc.x.x.x', pg_dart_zone : 'presbyopia', pg_k2 : 'eyedisorders', pHLID : '2791910', HLID : '2791910', visit_type : 'HCviewer', yeildex : 'true', targetsrc : '' }; };}; var pbtimeout = setTimeout(function() {(function() { AppDfpmanager.pbIframeInit(cfgDfpManager); }, 300); }); // dom ready }); pt> script>ipt>t> var HL_adBlankMonitor = function(cfg) { if(cfg.adBlankCodes.length > 0) { for(var i = 0; i for(var i = 0; i require([ 'healthline/newsletter-signup' ], function( newsletterSignup ){ newsletterSignup.setConfig({ newsletterHost: 'newsletter.healthline.com'' }); }); }); }); });