<p>The classic square-shaped frame of Yama features balanced proportions and a well-defined keyhole bridge. This frame fits larger face shapes perfectly or anyone looking for something slightly oversized.</p> <h3>Product Details</h3> <table width="100%"> <tbody> <tr> <td> <ul> <li>Dimensions: <strong><span style="color: #000000;">52-21-145</span></strong><br><span style="text-decoration: underline;"><a data-no-instant="" data-type="inline" data-src="#size-chart6269822664892" data-fancybox="" class="size_chart">View measurements </a> </span> </li> <li> <strong>Handcrafted bio-based and biodegradable eco-acetate</strong> frame with stainless steel core wire<br><a href="https://filteroptix.com/pages/why-choose-filter-optix#premium-quality" title="High-Quality Stylish Frames"><span style="text-decoration: underline;" data-mce-style="text-decoration: underline;">Learn more</span></a> </li> <li>Key hole nose bridge with acetate nose pads for <strong>enhanced fit and comfort</strong> </li> <li><strong>Unisex</strong></li> <li>Includes <strong>packaging</strong>: designer box, premium case, lens cloth <br><br> </li> </ul> </td> </tr> </tbody> </table> <h3>Lens Details</h3> <table width="100%"> <tbody> <tr> <td> <p>Features <strong>organic CR-39</strong> lenses with excellent optical clarity and an <a title="Filter Optix Advanced Multilayer Coating" href="https://filteroptix.com/pages/why-choose-filter-optix#coating-features"><span style="text-decoration: underline;"><strong>advanced multilayer coating</strong></span></a> infused with <strong>superior blue light blocking properties</strong>.</p> <p>Our <a href="https://filteroptix.com/pages/lens-colour-guide#red-lenses" title="Red Lenses"><span style="text-decoration: underline;"><strong>Red glasses</strong></span></a> <strong data-mce-fragment="1">block 100% of all blue light, as well as all green light up to 550 nm</strong>, and the lenses have therefore a hot and <strong>mesmerising red tint</strong>.</p> <p>Available in<strong> non-prescription, prescription and readers</strong>.<br><br></p> </td> </tr> </tbody> </table> <h3>Benefits</h3> <table width="100%"> <tbody> <tr> <td> <p>Our<strong> Red glasses</strong> block 100% of all artificial blue light, as well as green light, emitted from digital screens, LED bulbs, etc.</p> <p>These glasses have the <strong>benefits</strong> of:</p> <ul> <li>Preventing macular degeneration and reducing eye strain</li> <li>Relaxing your eyes and mind</li> <li>Reducing stress and cortisol levels</li> <li>Significantly increasing melatonin levels naturally</li> <li>Optimising circadian rhythm and sleep quality</li> <li>Aiding sleep problems (insomnia, restless nights, early wake-ups, etc.)</li> <li>Preventing hormonal imbalances</li> <li>Reducing oxidative stress and increasing cellular repair</li> <li>Improving recovery and athletic performance</li> <li>Increasing cognition and focus while reducing fatigue</li> <li>Boosting your mood</li> <li>Helping mood disorders and mental health issues</li> <li>Reducing health issues and major diseases (type 2 diabetes, cancer, heart disease, etc.)</li> </ul> <p>For more information about the health benefits, read <a title="Benefits Red Lenses" href="https://filteroptix.com/pages/light-and-health#orange-red-benefits"><span style="text-decoration: underline;">here</span></a>.<br></p> </td> </tr> </tbody> </table> <ul></ul> <!-- split --> <p><br></p> <div style="text-align: center;"> <img alt="Model is wearing Filter Optix blue blocking glasses with Red lenses" width="480" style="float: none;" src="https://cdn.shopify.com/s/files/1/0531/2669/3052/files/Filter-Optix-Blue-Light-Glasses-Yama-Tortoise-Red.jpg?v=1628930315"> <p>Model is wearing <strong>Yama</strong> blue light glasses with <strong>Red</strong> lenses.</p> </div>