All Oakley replacement lenses →
This is how your lenses would look
Illustrative image: colours, shape and engraving may vary slightly in the final result.
Prescription lenses Oakley OO9440 Clifden
A pair made to measure for your Oakley OO9440. 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 OO9440.
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 OO9440.
Customer service and production control by our specialist team.
Coverage against manufacturing defects and after-sales support.
Install your OO9440 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 Oakley OO9440
Prescription Lenses for Oakley 9440 CLIFDEN
Give your Oakley 9440 CLIFDEN a new lease of life by replacing worn or damaged lenses—no need to replace your entire frame. These replacement prescription lenses for Oakley 9440 CLIFDEN are not manufactured by Oakley. They offer a technical, premium solution to restore visual clarity and protection for everyday use and sports. Our configurator lets you select the lens material index, treatments, and tints to suit your prescription and style. Only the prescription lenses are supplied; frame not included.
Compatibility of Prescription Lenses for Oakley 9440 CLIFDEN
Ensure you check the exact model number “9440 CLIFDEN” printed on the inside of your temples. The lens shape is rectangular, with approximate measurements: height 51 mm, diameter 56 mm, and a base curve of 6. This ensures a precise fit for your Oakley 9440 CLIFDEN frame.
Features of Prescription Lenses for Oakley 9440 CLIFDEN
- UV400 protection blocks 100% UVA and UVB rays
- CR39 material available in indexes 1.5, 1.6, and 1.67
- Impact resistance ideal for active lifestyles
- Lightweight for all-day comfort
- Accurate fit for Oakley 9440 CLIFDEN
Maintenance and Warranty
Clean lenses with water and a microfiber cloth—avoid abrasive products. We offer a 3-year warranty against manufacturing defects (this warranty does not cover scratches caused by normal use).

Reviews of these lenses
We only show reviews for this product. If you've already bought it, tell us how the fit, color and installation went.
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 Oakley OO9440 Clifden