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To find the best fit for your glasses, first you should look for the perfect <highlight>frame width</highlight>.

A frame that’s slightly wider than your face is a good place to start — no more than a finger width between the temple and your face is a good rule of thumb.

If you’ve already got a pair of glasses that fit, measure <highlight>from screw to screw</highlight> on the face front for a good idea of the frame width.

You’ll also sometimes see other measurements on the temple (arm) of your glasses.

These three numbers represent different parts of the frame:

All frame measurements can be found in the <detail>details</detail> section of our product pages.

For more help with finding your perfect pair of glasses, check out our full <link1>Size Guide</link1>.

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Ray-Ban RB4378V

Round Transparent Gray Eyeglasses

About Ray-Ban RB4378V

Reviews

Ray-Ban RB4378V

RoundTransparent GrayEyeglasses

About Ray-Ban RB4378V

Reviews

Round Transparent Gray Eyeglasses