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Certified EssilorLuxottica distributor An international benchmark for Ray-Ban and Oakley replacement parts Over 600,000 glasses restored in 50+ countries New High-precision custom engraving on your lenses 3-year warranty on all replacement parts Compatible Quality and savings to renew your glasses Certified EssilorLuxottica distributor An international benchmark for Ray-Ban and Oakley replacement parts Over 600,000 glasses restored in 50+ countries New High-precision custom engraving on your lenses 3-year warranty on all replacement parts Compatible Quality and savings to renew your glasses

All Ray-Ban replacement lenses →All original Ray-Ban lenses →

Ray-Ban

Original Ray-Ban RB3708 lenses

Bring your Ray-Ban RB3708 glasses back to life with a pair of original lenses, made for this model and bearing the original logo.

Complete pair Glass lens Original logo
$ 57.96 from · price per pair
Select the lens sizeChoose your lens size
Choose the color and coatingChoose a color

Material: Mineral glass

Optional
Your configurationOriginal lenses RB3708
$ 57.96 per pair
Model
Ray-Ban RB3708
Material
Mineral glass
Product
Original pair · with Ray-Ban logo
Choose the options to see availability
Quantity: 1 Total $ 57.96
Check the model and lens size. 56 and 59 mm lenses are not interchangeable. This pair is only for the Ray-Ban RB3708.
Before you choose

Find the right lens size for your RB3708

The inscription on the inside of the arm lets you confirm the model and exact lens measurement without visually comparing frames.

Inscription on the inside of the arm: RB3708 ··· 56□·· 145Example for guidance only. The position and order of the codes may vary depending on the frame.

How to read the inscription

In an inscription such as RB3708 ··· 56□·· 145, each part has a purpose:

RB3708ModelMust match this product.
···Frame colorIdentifies the finish of the frame front.
56Lens sizeThis is the size you need to select.
··BridgeThis is not the lens size.

This reference comes in 2 sizes. Find the number right before the □ symbol on your arm and choose that same lens size:

  • 56□ → 56 mm
  • 59□ → 59 mm

The number after the □ is the bridge: it isn't used to choose the lens. Can't read it? Measure your lens from side to side at its widest point; that measurement in millimeters matches the lens size.

Product and model

Ray-Ban RB3708

The RB3708 has a metal frame. This pair of original lenses keeps the geometry, beveling and fit designed for the model; you just need to confirm the exact reference and lens size.

Reference
RB3708
Available lens sizes
56 and 59 mm
Identification
Original logo
MaterialGlass lens
Compatible frameMetal
Packaging1 pair
ManufacturingOriginal Ray-Ban
Product contents

What you'll receive with your order

1Original right lens with Ray-Ban logo
2Original left lens with RB engraving
3Selected color, coating and lens size
CristalesRepuesto technician checking a lens in the Granada workshop
Specialists since 2018Original product with specialist support
Why choose ReplacementLenses

Origin, compatibility and contents explained before you buy

We work with original replacement parts and help you confirm the model and lens size to reduce mistakes before we prepare your order.

EssilorLuxottica Ray-Ban Certified distributor
since 2018
Certified distributor

ReplacementLenses has been a certified EssilorLuxottica distributor since 2018.

Verifiable original

Ray-Ban pair with the original markings for the variant.

Guided compatibility

We explain where to find RB3708 and how to tell the 56 and 59 mm lens sizes apart.

3-year warranty

Coverage against manufacturing defects and after-sales support.

Installation guide

How to replace the lenses on your RB3708

The metal frame uses a rim closed with a screw. Work on a protected surface and avoid forcing the lens or bending the frame front.

Guide specific to the RB3708Step-by-step installation
ReplacementLenses · YouTube
More information

Everything about this replacement part for the Ray-Ban RB3708

Are your Ray-Ban 3708 lenses scratched, deteriorated, or have you noticed a loss of visual quality? Restore unmatched optical clarity and original protection with Genuine Replacement Lenses for the 3708 model. Unlike imitations, these original spare parts guarantee the perfect fit, quality, and safety certified by the official manufacturer. The lenses are available in the original colors for the 3708 model: 31 – Green, K8 – Black Polarized, O9 – Grey Polarized, 3F – Light Blue Gradient, 4L – Bluepolarized Mirror, and 85 – Brown Gradient, all made of crystal for premium vision.
Technology – Crystal Material Benefits
The crystal lenses deliver outstanding optical precision and superior scratch resistance compared to other materials. Crystal is renowned for its clear visual experience and outstanding color fidelity. All original spare lenses for the 3708 model feature standard UV protection, effectively blocking harmful rays and providing comfort and safety for everyday use.
Compatibility and Checking Instructions
To ensure compatibility with your Ray-Ban frames, check that the model code 3708 and the size 56,59 are engraved on the inner temple of your frame.
These Genuine Replacement Lenses are engineered for a perfect fit to preserve your eyewear’s structure. Manufactured and certified by Luxottica, official Ray-Ban supplier, you are guaranteed long-lasting quality and outstanding performance. Renew your eyewear experience and extend the life of your glasses with official spare parts for your 3708 model.

Original Ray-Ban RB3708 replacement lenses
Real experiences

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We answer your questions

FAQ

Is the price for one lens or for the pair?

The price is for a complete pair: original Ray-Ban right and left lenses.

Can I choose a different color from the original?

Yes. You can choose another available variant as long as you select the RB3708 model and the exact lens size of your frame.

How do I know if I need 56 or 59 mm?

Look for the reference on the inside of the arm. In an inscription such as RB3708 ··· 56□··, the number 56 is the lens size.

Are all colors available in all lens sizes?

Not necessarily. Final availability depends on the lens size and the color and coating combination: when you choose a lens size, you'll only see the colors that exist for it.

Do the polarized versions have a logo?

Yes. On polarized variants, the marking may appear as Ray-Ban P, in addition to the discreet RB engraving.

Will they fit another similar model?

No. Shape doesn't determine compatibility: these lenses are only for reference RB3708 and the lens size you choose.

Search by reference

Find your glasses' reference

Look on the inside of one of the temple arms. That's where you'll find the details needed to find the right replacement part.

Inside of a Ray-Ban temple arm showing reference RB2140, color 901, lens size 50, bridge 22 and arm length 150
RB2140Frame model
901Color code
50Lens size
22Bridge width
150Arm length
●

To find lenses: the model and lens size are usually enough. For arms: we also recommend checking the color and length.