{"id":85621,"date":"2026-04-28T07:47:32","date_gmt":"2026-04-28T07:47:32","guid":{"rendered":"https:\/\/diyhaven858.wasmer.app\/index.php\/iol-with-violet-light-filtering-shows-tolerance-to-induced-astigmatism\/"},"modified":"2026-04-28T07:47:32","modified_gmt":"2026-04-28T07:47:32","slug":"iol-with-violet-light-filtering-shows-tolerance-to-induced-astigmatism","status":"publish","type":"post","link":"https:\/\/diyhaven858.wasmer.app\/index.php\/iol-with-violet-light-filtering-shows-tolerance-to-induced-astigmatism\/","title":{"rendered":"IOL with violet light filtering shows tolerance to induced astigmatism"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div data-component=\"ArticleContent\">\n<div class=\"article__below-title\">\n<div class=\" article__posted-date\">\n<p>April 27, 2026<\/p>\n<p>2 min read<\/p>\n<\/p><\/div>\n<div class=\"mobile-trust-box\">\n<div class=\"row\">\n<div class=\"col-12 col-md-5 d-xl-none\">\n<div class=\"trust-box\">\n<div class=\"trust-box-logo d-none d-md-block\">\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.healio.com\/~\/media\/h5\/feature\/news\/publogos\/osn.svg?la=en&amp;h=32&amp;w=145&amp;hash=C099A5ADC410818ECDF2097A4CD3C51F\" class=\"logo-img\" height=\"32\" alt=\"occular surgery news logo\" width=\"145\"\/>\n          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"col-12 col-md-6 offset-md-1 offset-xl-0 col-xl-12\">\n<div class=\"email-alert-button-wrapper d-none\" data-component=\"EmailTopicAlert\" data-module=\"Subspecialty Email Topic Alerts Top\" data-manage-email-link=\"\/footer\/account-information\/my-account\/email-subscriptions-and-alerts#emailAlerts\">\n  <hidden data-setting-item=\"d265901d-6d37-49c7-a8f6-c7bf19a02509\"\/><br \/>\n  <hidden data-crm-source=\"Subspecialty Topic Alert\"\/><\/p>\n<div class=\"email-alert-button d-none\" data-topic-button=\"not-subscribed\">\n<p>&#13;<br \/>\n      <span data-module-track-action=\"Email Alerts TOP_Click_Healio News Article\" data-module-track-label=\"Email Alerts TOP_Healio News Article\">&#13;<br \/>\n        <i class=\"fas fa-plus-circle\"\/>&#13;<br \/>\n        Add topic to email alerts&#13;<br \/>\n      <\/span>&#13;\n    <\/p>\n<div class=\"email-alert-inner collapse uc31399db16fb4586af8196d7259f723c\">\n<div class=\"email-alert-dialogue\">\n<p>&#13;<br \/>\n          Receive an email when new articles are posted on <span data-content=\"topic-title\"\/>&#13;\n        <\/p>\n<div class=\"d-none\" data-sign-up-type=\"unknown\">\n          Please provide your email address to receive an email when new articles are posted on <span data-content=\"topic-title\"\/>.<\/p><\/div>\n<\/p><\/div>\n<p>      <button type=\"button\" class=\"btn btn-primary\" data-loading-text=\"Loading &lt;i class=\" fa=\"\" fa-spinner=\"\" fa-spin=\"\">&#8220;&#13;<br \/>\n              data-action=&#8221;subscribe&#8221;&gt;&#13;<br \/>\n        Subscribe&#13;<br \/>\n      <\/button>\n    <\/div>\n<\/p><\/div>\n<div class=\"d-none\" data-topic-modal=\"failed\">    <strong>We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com.<\/strong>  <\/p>\n<p><button data-dismiss=\"modal\" class=\"btn btn-primary btn-lg btn-block\">Back to Healio<\/button><\/p>\n<\/div>\n<\/div><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<h2>Key takeaways:<\/h2>\n<ul>\n<li>The Tecnis Odyssey IOL demonstrated good tolerance to induced astigmatism. <\/li>\n<li>More than 96% of patients reported spectacle independence.<\/li>\n<\/ul>\n<p>A full visual range IOL with violet light filtering showed good tolerance to induced astigmatism in patients corrected for distance vision, according to a study published in <i>Journal of Refractive Surgery<\/i>.<\/p>\n<p>      <b>Hugo T. F. Borges, MD<\/b><b>,<\/b> and colleagues wrote that previous research has shown that IOLs can enhance contrast sensitivity by filtering high-energy violet light, which reduces scatter as well as dysphotopsias. They wanted to find out how the IOL under study might interact with residual refractive error.<\/p>\n<figure class=\"figure article__og-image\">&#13;\n    <picture>&#13;<source srcset=\"https:\/\/www.healio.comhttps:\/\/www.healio.comhttps:\/\/www.healio.com\/~\/media\/slack-news\/ophthalmology\/misc\/stock-art\/cataract-surgery_2.webp?w=476\" media=\"(max-width: 768px)\">&#13;<source srcset=\"https:\/\/www.healio.com\/~\/media\/slack-news\/ophthalmology\/misc\/stock-art\/cataract-surgery_2.webp?w=800\" media=\"(max-width: 992px)\">&#13;<source srcset=\"https:\/\/www.healio.com\/~\/media\/slack-news\/ophthalmology\/misc\/stock-art\/cataract-surgery_2.webp?w=595\" media=\"(max-width: 1200px)\">&#13;<source srcset=\"https:\/\/www.healio.comhttps:\/\/www.healio.comhttps:\/\/www.healio.com\/~\/media\/slack-news\/ophthalmology\/misc\/stock-art\/cataract-surgery_2.webp?w=476\" media=\"(min-width: 1200px)\">&#13;<source srcset=\"https:\/\/www.healio.comhttps:\/\/www.healio.comhttps:\/\/www.healio.com\/~\/media\/slack-news\/ophthalmology\/misc\/stock-art\/cataract-surgery_2.webp?w=476\">&#13;<br \/>\n&#13;<br \/>\n      <img decoding=\"async\" src=\"https:\/\/www.healio.com\/~\/media\/slack-news\/ophthalmology\/misc\/stock-art\/cataract-surgery_2.jpg?w=800\" alt=\"Cataract surgery being performed\" class=\"figure-img img-fluid\" width=\"800\"\/>&#13;<br \/>\n    <\/source><\/source><\/source><\/source><\/source><\/picture>&#13;<figcaption class=\"figure-caption\">&#13;<br \/>\n      The Tecnis Odyssey IOL demonstrated good tolerance to induced astigmatism. <em>Image: Adobe Stock<\/em>&#13;<br \/>\n    <\/figcaption>&#13;<br \/>\n  <\/figure>\n<p>\u201cThe increasing demand for high-quality visual outcomes is driven by patients\u2019 elevated expectations for spectacle independence and the ongoing challenge of achieving the best visual performance after cataract surgery,\u201d they wrote. \u201cIn this context, it becomes increasingly important to understand how different IOL technologies perform in the presence of residual refractive errors. Among these, residual astigmatism remains one of the most prevalent and visually significant, with the potential to adversely affect visual outcomes and patient satisfaction, even at low magnitudes.\u201d<\/p>\n<p>Borges and colleagues conducted a prospective, observational study of 30 patients who underwent cataract surgery and received one of two models of the Tecnis Odyssey violet light-filtering full visual range IOL (Johnson &amp; Johnson). They assessed visual outcomes at 1 month and 3 months after surgery and used the Assessment of IntraOcular Implant Symptoms questionnaire to determine patient-reported outcomes.<\/p>\n<p>\u201cMore than 90% of patients achieved visual acuity of 20\/40 or better with 1.5 D with-the-rule (WTR) and 1 D oblique\/against-the-rule (ATR) astigmatism,\u201d the authors wrote. \u201cWTR astigmatism resulted in visual acuity within one line for up to 1 D and two lines for 1.5 D, outperforming ATR, which achieved it for 0.5 D and 1.5 D, followed by oblique, which achieved 0.5 D and 1 D, respectively.\u201d<\/p>\n<p>Overall, 7% of patients experienced glare at night, and 3% of patients reported severe starbursts, spiderwebs, halos and snowballs. However, 96.6% of patients reported that they were spectacle independent, according to the study.<\/p>\n<p>\u201cThe [violet light-filtering full visual range] IOL exhibited a commendable tolerance to induced astigmatism for distance vision,\u201d Borges and colleagues wrote. \u201cIt was observed that WTR astigmatism was tolerated more readily than oblique and ATR orientations. 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