Do you want to know the secret of Step-by-Step Guide to a great-fitting pair? Here’s a Guide that’ll give you the quickest & easiest route to your best-fitting frames. Make Use Of The Sizes Of Your Existing Frames It’s easy to determine your frame size. Examine the insides of the temples of your existing pair of glasses that fits properly on your face. Find the collection of numbers that represent the measurement order, such as 53-15-140. The lens width, bridge width, and temple length are all measured in millimeters. Making Use of a Ruler If your frames are more than a year old, the numbers may have faded. This creates uncertainty, and you may end up purchasing the incorrect size as a result. So let’s take a look at the next most basic method. You will need the following items to complete this task: A Millimeter Ruler or a Cloth Measuring Tape. To record the readings, use a pen or pencil. To avoid making any mistakes, use the ranges below as a Step-by-Step Guide. Lens Width/Diamet