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Frame Size Guide

Use this informative guide to learn about the what goes in to determining your eyeglass and sunglass frame size.

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Frames Direct > Frame Size Guide

When selecting eyeglasses or sunglasses at FramesDirect.com, it's helpful to know what size frame will fit you. You can find this information easily by looking at a pair of frames you may currently own, or by visiting a local optical store.

In the event you already have a pair of frames that you would like to purchase again or even find a pair of frames similar, you can quickly identify the designer name, model number, and frame size by simply looking on the inside of your eyeglass temples (arm pieces). Below you'll find a quick guide to helping you identify your eyeglasses.

Easy Frame Sizing Guide:

Use this handy guide to determine what Eye Size range best suits you. You can use this one measurement to pick out the perfect pair of frames!

STEP 1: What Eye Size Are You?

SMALL

40 mil. - 49 mil.
Perfect for slender or narrow faces.

MEDIUM

50 mil. - 55 mil.
A great fit for a face of average proportions.

LARGE

56 mil. and up
Larger sized to better fit larger faces.

STEP 2: Select Your Frame Size.
The other frame size elements are calculated automatically based on eyesize. When you find the pair of frames you want, simply choose the frame size containing the eye size number within your range (i.e. small, medium, or large.)

Components of Frame Size:

Eye Size:	Measured from outermost edges of lenses horizontally. Approximately 40 mil. - 62mil.
Bridge Size:	The distance between lenses. Approximately 14 mil. - 24 mil.
Temple Length:	Length of temple piece - also know as the arm piece or ear piece. Approximately 120 mil. - 150 mil.

Already Wear Glasses? Your current pair will likely have your frame size information imprinted on the arm piece or the back of the bridge.

Turns out that most prescription frames will have your exact measurements engraved on the temples (arm pieces) or behind the nose bridge area. On my current eyeglass frames, it reads 52 17-150, which translates to an eye size of 52, bridge size of 17 and temple length of 150.

Note: Every frame has the same markings on the temples (arm pieces) of behind the bridge (nose area) as shown here:

Model Name:
Calvin Klein 3388

Color Name:
Purple or color #80

Size:
(Two numbers) Eye Size and Bridge Size, for example: 48-19 or 52-20

Temple Length:
(Arm pieces) Usually between 120 and 150

This is the only information you need when ordering your eyeglass or sunglass frames. If you need assistance identifying your frames, feel free to contact FramesDirect.com and our opticians will be more than happy to help.

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