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Prescription lenses Ray-Ban RB4234
A pair made to measure for your Ray-Ban RB4234. 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 RB4234.
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 RB4234.
Customer service and production control by our specialist team.
Coverage against manufacturing defects and after-sales support.
Install your RB4234 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 RB4234
Prescription Lenses for Ray-Ban 4234
Revive your iconic Ray-Ban 4234 by replacing scratched or damaged prescription lenses. Restore clear vision and the timeless style of your glasses without buying a new frame. These replacement prescription lenses for Ray-Ban are not manufactured by Ray-Ban. You can configure them for your exact prescription using our online selector, choosing your prescription strength, treatments, and lens color—perfect for both prescription sunglasses or daily eyewear. Frame not included, this product is for replacement lenses only.
Compatibility of Prescription Lenses for Ray-Ban 4234
Check the inside of your glasses’ temple arm for the model number “4234” to ensure compatibility. These lenses are square shaped, with height 42 mm, diameter 63 mm, and a base curve of 6, matching the original design of your Ray-Ban 4234 frame. If you are unsure about fitment, contact our support team before ordering.
Features of Prescription Lenses for Ray-Ban 4234
- UV400 protection for total eye safety
- Made of CR39 material, available in index 1.5, 1.6, or 1.67
- High impact resistance and scratch durability
- Lightweight for comfortable all-day wear
- Precisely cut for a secure fit
How to Install Replacement Lenses
Replace your lenses at home by gently removing the old ones and popping the new lenses into place. Work on a soft, clean surface to prevent scratches. If in doubt, take your frame to a professional optician for installation.
Maintenance and Warranty
Clean the lenses with lukewarm water and a microfiber cloth only. Avoid abrasive products or paper towels. 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 RB4234