This useful tool of ours helps find frames that closest fit a pair of glasses you already own. The idea came from a customer named Estella, who sent us this email:
"My proposal is that you get your web designer to create a search function whereby the customer can enter the measurements, thus finding the closest match you stock to their present glasses."
So we did. Thanks, Estella. And here it is. Simply enter your frame measurements and click go, and a list of our closest fitting glasses will appear.
You can often find the main measurements you need on the inside of your glasses, however you can also measure your glasses.
The easiest way to get the right frame size is to get the dimensions from a comfortable pair of glasses you already have.
On one of the legs you will usually find (with the aid of a magnifying glass) three measurements, the first two separated by a rectangle.

The Lens Diameter is a matter of choice, but the other two determine the fit.
They do not need to be exact, but the closer they are to your existing pair, the more likely your new glasses are to be a comfortable fit.
Image showing how to read your frame dimensions
© Copyright Prescription Eyewear Ltd. and its affiliates 2004-2013. All rights reserved.
UK company number: 05139004.