<p>1. Measure your old pair of glasses to get the dimensions that&nbsp;fit&nbsp;you the best. By having these numbers, you can easily compare them to frames on our website. Please see the photos below to understand frame measurements (a 2-3mm difference is acceptable).</p> <p>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<img alt="" src="https://df5apg8r0m634.cloudfront.net/images/2018/0715/F7PKbAM5ra.png" /></p> <p>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<img alt="" src="https://df5apg8r0m634.cloudfront.net/images/2018/0918/ojJdu4E5Cs.png" style="height:256px; width:500px" /></p> <p>Diagonal length refers to the&nbsp;diagonal measurement of each lens, corner to corner.&nbsp;</p> <p>&nbsp;</p> <p>2. You can also read the dimensions of your old glasses. The size is usually listed on the temple arm.&nbsp;</p> <ul> <li>54 stands for Lens Width, which&nbsp;is the horizontal width (in millimeters) of each lens.</li> <li>18 stands for&nbsp;Bridge Width, which is the distance (in millimeters) between your two lenses.</li> <li>140 stands for&nbsp;Temple Length,&nbsp;is the length (in millimeters) from each screw to its temple tip.</li> </ul> <p><img alt="" src="https://df5apg8r0m634.cloudfront.net/images/2017/1209/F3fRQh7GVL.jpg" style="height:173px; width:550px" /></p> <p>3. Try on glasses at a local optical store and note the size that fits you. Then find a similar size on our website.</p> <p>4. We divide our frames into 3 categories: Narrow, Medium and Wide, which represents the total width of the frame. You can sort by different size.</p> <p><strong>Narrow:</strong>&nbsp;Total Width&nbsp;&lt;135mm</p> <p><strong>Medium:&nbsp;</strong>&nbsp;Total Width&nbsp;135mm to 140mm</p> <p><strong>Wide: </strong>Total Width&nbsp;&gt; 140mm</p> <p>What&#39;s more, you can adjust the filter to focus on your&nbsp;preferred size.</p> <p><img alt="" src="https://df5apg8r0m634.cloudfront.net/images/2018/0722/55BHIL5Msn.png" /></p>
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