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Frames that fit don’t squish the side of your head or pinch your nose. The edge of the frame material (not the edge of the lens) should more or less be flush with where your face ends. The lenses shouldn’t touch your cheeks, and the glasses should slide no more than 5mm max when you’re moving about or particularly uh... moist.
Ideal Measurements
Shape
Lenses
Bridge
Notes
Rectangular / Square / Cat-Eye
54-56
17-19
Anything that is wider horizontally. These should fit higher on your nose, so the bridge should be smaller.
Round / Geometric
50-52
19-21
Anything that is generally the same size horizontally / vertically. These usually fit lower on the nose, so the bridge is wider.
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Temple (arm) length doesn’t matter too much as long as it’s not wildly longer than your current ones.
Overall frame size should be whatever the sites categorise as medium. The total measurements they give tend to be way off (I’ve measured them when they come in and find that they are often off by at least 10-15mm), so I never rely on them; it’s more important that the lens and bridge fit.
Your lens depth should be 40mm max. (Anything past this is a bit deep, and even this depth can look oversized if you’re not used to it. Looks best in frames with a rounded underside rather than fully square frames.)
You can swap your bridge / lens measurements around within a 3-4mm adjustment and generally be OK fit-wise as long as they’re big enough overall. For example, my 100% ideal lens/bridge size is: 54-17. This fits exactly where I want them to sit with the right amount of width for the lens, but I have a pair that’s in 53-19 that’s quite comfortable overall (they’re a rounder pair that sits lower).
Here are some indie-ish eyewear sites I’ve either ordered from or kept an eye on. Some of the other more established ones out there (like Clearly, Eyebuydirect, etc. are much more pricey as they’re still under the Luxottica grip) I haven’t included here for obvious reasons.
Websites
Search
Zenni
3-5 years full time wear, 6+ part time wear
This is the pioneer ordering online glasses site. They have a huge selection as well as a filter/accommodation for universal/low/Asian bridge fit. I abuse mine daily (I outright sit on them sometimes) and they’ve held up really well. I would recommend looking here first for anything you like before heading to the other sites especially if you’re looking at frames with metal components.
Referral link: (CAD$15 off first order over CAD$7)
Make sure you sign up for their Rewards Program:
They post their deals here:
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