The category guide

Boonbuy Eyewear Spreadsheet

Use this Boonbuy eyewear spreadsheet guide to compare frame shapes and measurements. The sunglasses listing examples provide a starting point; check the exact dimensions and evidence for any lens claim on the full listing.

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By the Boonbuy Spreadsheet editorial team · Guide reviewed

18 eyewear listing examples.

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Listing snapshot: . USD estimates shown first; original CNY item prices below. Reference rate: 1 USD = CNY 6.7162 (; State Administration of Foreign Exchange). International shipping and payment fees are extra. Check the full item listing for current price, variants and availability.

Read the frame numbers before comparing shapes

The numbers inside an eyewear arm commonly describe lens width, bridge width and temple length in millimetres. Warby Parker’s measurement guide explains these fields. They are different measurements, so a larger lens number alone is not a complete frame-size comparison.

Record the dimensions of a pair that already feels comfortable, then compare the listing’s definitions. Full frame width is another useful question and is not simply the lens-width number. If the seller has not supplied a measurement, ask rather than estimating it from the model photograph.

Reference: Warby Parker: frame measurement definitions

What eyewear photos can help you compare

Look at the front shape, temple design, hinges and selected colour. A side image can help distinguish a wide arm from a narrow one. Ask for a view that shows the feature you need, and keep the chosen frame variant with the source link.

A product name, dark lens or branded case does not provide a test result for the lenses. This guide has not measured UV filtering, polarisation or optical quality. Do not turn a visual match into a protective-performance claim, and resolve any prescription use with an appropriate professional.

Keep the frame, lenses and included pieces distinct

Write down whether the listing describes sunglasses, a frame or an optical-style accessory, and what is stated about the lenses. Confirm whether a case, cloth or other pictured piece is included. A styled product photo may show more than the selected option actually contains.

For warehouse checks, compare the variant and visible alignment or damage in the available images. Discuss protection for the frame before onward shipping. Packaging and an intact exterior still cannot prove lens performance; those remain separate questions.

Sources & listing notes

Product images and names follow the linked directory listings. These examples have not been personally tested or authenticated. Reference charts explain measurement methods; they do not verify third-party items.

Make a useful comparison

Match the details to the item.

Use measurements to compare fit and documentation to investigate lens claims.

Questions to take to the full listing
If you are comparingLook forA useful question
Lens and bridgeIndividual lens width and bridge widthAre both measured in millimetres?
Temples and frameArm length and full frame widthHow does the shape compare with my reference pair?
Lens claimsEvidence for the exact selected lensesWhat supports the claim beyond a photo or logo?

Swipe across the table to see the comparison questions →

Questions about eyewear

A few details
to settle first.

What do three numbers inside a glasses arm mean?

They commonly indicate lens width, bridge width and temple length in millimetres. Read the exact chart and compare all three fields; they are not three alternative ways to state one size.

Does a darker lens prove better UV protection?

A photograph of a dark lens does not provide a protection test result. This guide has not tested the samples. Ask for relevant evidence for the exact lenses rather than inferring performance from colour or branding.

Are these prescription glasses?

The examples are directory sunglasses listings. Do not assume prescription suitability from their frame shape. Establish what the seller supplies and resolve prescription requirements with an appropriate professional.