# 01
Shop by Frame & Face Shape
It is important that you select the right frame shape that suits your facial structure. You can use our Face Shape Guide to help you choose the most flattering frame for your eyeglasses or sunglasses.
Step 1: Select your Glasses Frames
Selecting your frames is the first step in buying your prescription glasses online.
If you do not have a specific frame in mind, you can easily browse through hundreds of high-quality frames, narrowing them down with our filters. Choose your frames by considering the following:
# 02
Find Your Frame Size
Finding the ideal size frame is super important when buying glasses online. You may use the three numbers on the arm of your old pair of glasses as a reference when selecting new frames online. Size Guide
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Shop by Color
Most frames come in several colors, be sure to pick out the one that strikes your fancy.
Step 2: Put in your Prescription Details
# 01
Add Your Prescription
After selecting the frame, you need to put in the prescription details. If you do not know how to read the values, you can check our guide: How to read your prescription
In case the prescription copy does not include your PD value (Pupillary Distance), you may use our guide: how to measure your PD to get your values.
If you choose “No Prescription” option, you do not need put any prescription details.
Customer Service Help
If you are not sure how to enter your prescription online, you can email us a copy at service@zanylenoptical.com during the checkout process.
Step 3: Pick Your Lenses
ZanyLen is one of the largest online full-service eyewear stores in the United States. We offer quality prescription lenses to any customer who buys glasses frames from us.
Lens Usage & Type
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Lens Usage
You might need single vision, progressive lenses depending on your eyesight. Eye doctors usually indicate on your prescription which lens you should wear.
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Lens Type
When jump to "lens type", you’ll find several options. We offer standard clear lenses, blue block lenses, light responsive lenses and any sunglassses lenses.
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Lens Index & Coating
Each lens type has a variety of indices to choose from, which determines how thick your lenses will be. The higher the index, the thinner the lens. The stronger your prescription, the thicker your lenses. Thinner lenses are lightweight and comfortable to wear.
At ZanyLen, all lenses include free 100% UV400 (UVA & UVB) protection, along with anti-reflective, anti-static, and anti-scratch coatings. Here you can learn more about them
Step 4: Payment
Finalize Your Purchase
At this point, you can make last-minute adjustments: change the quantity of pairs if needed, or estimate shipping costs after entering your exact zip code. Then proceed to check out. You will need to log in or manually enter your delivery address. Once you've selected everything, enter your payment information into the checkout portal and you're done!