Buyer-side eyewear desk
polarized progressive reading sunglasses
The reading sunglasses line you send us
Reference, progressive design or diopter, polarization note, quantity.
Reading sunglasses scope we keep identical
Factories quoting that same polarized progressive reading sunglasses specification.
Reading sunglasses points we do not invent
Marking, coating and lead time until confirmed on the named model.
Lock reading sunglasses size before the second quote
Frame size
Lens width, bridge and temple in millimetres must match the progressive corridor seat you intend to order.
Lens design
Progressive reading sunglasses corridors differ from single-vision diopters; keep them on separate quote lines.
Marking
Ask whether Z87 or another mark is on this model only when the named sheet states it.
Before accepting an alternative, verify whether the substitute changes corridor length, polarization film, bridge width or temple length. A cheaper reply that swaps progressive geometry is not the same polarized progressive reading sunglasses line. Ask for the documents that cover the quoted item rather than a generic factory brochure.
Selection checks that change the comparable quote
| Check | Buyer confirms | Why it matters |
|---|---|---|
| Lens width / bridge / temple | Millimetre values on the sample | A one-size claim is not the same offer as marked sizes |
| Progressive corridor | Design family and add power notes | Corridor swaps change reading zones even when tint matches |
| Polarization | Film included or excluded | Silent omissions break landed-cost comparisons |
| Safety marking | Only if the named model sheet states it | Plano and corrective lines stay separate |
These checks are procurement verification steps, not factory test certificates owned by this desk. Sample approval remains the buyer's decision before bulk quantity releases. Continue to inquiry options when the form is known. Spec Check on this site means confirming frame size, lens specification and standard markings on the quoted polarized progressive reading sunglasses line—not a sustainability, ESG or net-zero claim.
Name the reading sunglasses model, then the destination
FREE sourcing support and up to 3% apply only to qualified business buyers after the product, quantity, destination and request are checked.
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