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Prescription lenses Ray-Ban RB0840V Mega Wayfarer
A pair made to measure for your Ray-Ban RB0840V. 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 RB0840V.
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 RB0840V.
Customer service and production control by our specialist team.
Coverage against manufacturing defects and after-sales support.
Install your RB0840V 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 RB0840V
Prescription Lenses for Ray-Ban 0840V MEGA WAYFARER
Refresh the timeless style of your glasses with these prescription replacement lenses for Ray-Ban 0840V MEGA WAYFARER. If your current lenses are scratched or damaged, you can revive your eyewear without needing to purchase a new frame. These are replacement prescription lenses for Ray-Ban and are not manufactured by Ray-Ban. Designed to match the optical quality and comfort of the iconic 0840V MEGA WAYFARER, these lenses can be configured to your exact prescription and preferences using our online configurator, including a choice of treatments and colors. Please note this product includes only the prescription lenses, not the frame.
Compatibility of Prescription Lenses for Ray-Ban 0840V MEGA WAYFARER
Check the inside of your Ray-Ban temple arm for the reference ‘0840V MEGA WAYFARER’ to ensure compatibility. Our lenses are precisely cut for this squared shape, with a height of 43 mm, diameter of 56 mm, and base curve 6, maintaining the original look and fit.
Features of Prescription Lenses for Ray-Ban 0840V MEGA WAYFARER
- UV400 protection for complete eye safety
- Lightweight CR39 lenses available in indexes 1.5, 1.6, and 1.67
- Impact-resistant durability
- Precision fit for lasting comfort
How to Install Replacement Lenses
Replacing your lenses at home is simple. Carefully remove the old lenses from your frame and gently insert the new lenses, applying even pressure around the edges. Consult our installation guide if you need additional help to ensure safe installation.
Maintenance and Warranty
Clean your lenses with water and a microfiber cloth to keep vision clear and coatings intact. 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 RB0840V Mega Wayfarer