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This is how your lenses would look
Illustrative image: colours, shape and engraving may vary slightly in the final result.
Prescription lenses Ray-Ban RB4125 Cats
A pair made to measure for your Ray-Ban RB4125. Choose the use, finish and prescription; we check your prescription details before making it.
Your prescription, explained simply
Use this guide to recognise each value. If something doesn't match or isn't on your prescription, attach a photo and we will check it before manufacturing.
The right thickness for your prescription
The index indicates how much the material bends light. A higher index allows a thinner lens when the prescription is strong.
Standard CR39 option for low prescriptions at a lower price.
Standard thicknessHigh-index organic material for a thinner lens.
Depending on finishAvailable in clear lenses for strong prescriptions within the supported range.
Clear · 4–6 DClear vision
Optical materials selected to provide natural vision for everyday wear.
Thinner lenses
Higher indexes need less material to correct the same prescription.
Protected finish
The coating available depends on the tint and index chosen.
Specific cut
Each pair is made to the exact shape and lens size of the RB4125.
One process, checked step by step
From the moment you confirm your configuration until we prepare your shipment, every decision is checked so we make the right pair.
Configure
Select lens size, use, index, finish and personalization.
We review
We check your prescription, pupillary distance and that the configuration is consistent.
We make and inspect
We cut the pair, check the result and pack it securely for shipping.
Your prescription doesn't go straight into production
We check the prescription details, the pupillary distance and that the configuration is compatible. If we have any doubt, we contact you before manufacturing.
We validate that the data for both eyes and the choice of index are consistent.
We make the pair for the exact shape and lens size of the RB4125.
Customer service and production control by our specialist team.
Coverage against manufacturing defects and after-sales support.
Install your RB4125 lenses correctly
Follow the method shown in the video for your model and do not force the lenses. If the frame is very stiff or you are unsure, write to us before forcing it.
Everything about this replacement part for the Ray-Ban RB4125
Prescription Lenses for Ray-Ban 4125
Restore the timeless look and daily comfort of your Ray-Ban 4125 aviator frames with our high-quality replacement prescription lenses. If your current lenses are scratched, damaged, or your prescription has changed, swapping out the lenses is a smart way to give your eyewear a new life without replacing the entire frame. These prescription lenses are designed for Ray-Ban 4125 models and are not manufactured by Ray-Ban. Suitable for both optical and sunglasses needs, our online configurator allows you to tailor the lenses to your vision requirements and choose treatments and colors that match your lifestyle.
Compatibility of Prescription Lenses for Ray-Ban 4125
To ensure a perfect fit, check the model number “Ray-Ban 4125” on the inside arm of your glasses. The aviator shape with measurements of 51 mm height, 65 mm diameter, and base curve 6 is exact for your iconic frame, so you can be confident of an ideal fit and finish.
Features of Prescription Lenses for Ray-Ban 4125
- UV400 protection for total eye safety outdoors.
- CR39 lens material for excellent optical clarity and scratch-resistance.
- Multiple indexes available (1.5, 1.6, 1.67) for thin, lightweight comfort tailored to your prescription.
- Precisely shaped for the Ray-Ban 4125 aviator frame.
How to Install Replacement Lenses
Swap your lenses at home by gently removing the old ones and snapping the new prescription lenses into place. Follow our step-by-step guide for a safe and secure installation. No special tools required; enjoy renewed clarity and protection in minutes.
Maintenance and Warranty
Clean lenses using water and a microfiber cloth to prevent scratches and maintain their premium look. We offer a 3-year warranty against manufacturing defects (this warranty does not cover scratches caused by normal use).

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FAQ
Is the price for one lens or for the pair?
It's for a complete pair made with the data for both eyes.
What if I don't understand some of the data?
Write to us with any questions before buying, or give us the details exactly as they appear on your prescription: we will check the configuration before starting production.
What's the difference between the indexes?
1.50 is the standard option. Higher indexes reduce thickness for strong prescriptions; their availability depends on the finish.
Do they come with a warranty?
Yes, 3 years against manufacturing defects.
Your review of Ray-Ban RB4125 Cats