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With 14-Day Free Returns, you can get a one-time replacement or refund within two weeks of receiving your order — no questions asked!

14-Day Free Returns

14-Day Free Returns

Our customer service team is available to answer all your eyewear questions — 24 hours a day, 7 days a week via phone, email, or live chat on our [contact page](/contact)

24/7 Customer Service

24/7 Customer Service

Cover the cost of prescription eyewear with our out-of-network vision insurance or use your Flexible Savings Account (FSA) or Health Savings Account (HSA).
[Learn More Vision Insurance](/eyecare/insurance)

Vision Insurance

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14-Day
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14-Day
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24/7 Customer
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24/7 Customer
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12-16 update.

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Good size not too small not too big, lightweight and pretty combination of colors.

My new glasses 

I really like it! At first I was afraid to order it bc there wasn’t any reviews yet, but I decided to try and I’m glad I did! 

Love it 

Only one review when I ordered, but i just got them today and I loooovveee them! Also i’ve never gotten the anti-glare and it’s a must for me now! 

Stunning

Love them, very light weight and comfortable. 

So cute! 

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Other Useful Measurements

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

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Good glasses