Description
Prescription Lenses for Ray-Ban 4278
Refresh your favorite eyewear by replacing scratched or damaged lenses instead of buying a new frame. These replacement prescription lenses for Ray-Ban 4278 are designed for a precise fit, letting you keep your iconic frames in daily rotation. Please note: These prescription lenses are not manufactured by Ray-Ban. They are specifically tailored replacements for the Ray-Ban 4278 model. Only the lenses are sold—frame not included.
Compatibility of Prescription Lenses for Ray-Ban 4278
To confirm compatibility, check the inside of your temple arm for the '4278' model code. The lenses are shaped in a square profile and crafted to fit the 46 mm height, 57 mm diameter, and base curve 6 of Ray-Ban 4278 frames. This ensures a comfortable, seamless installation while preserving your glasses' signature look.
Features of Prescription Lenses for Ray-Ban 4278
- UV400 protection shields eyes from harmful UV rays
- Lightweight polycarbonate lenses with impact resistance
- CR39 material available in indexes 1.5, 1.6, and 1.67 for custom prescriptions
- Accurate fit for the square Ray-Ban 4278 frame
Configure lenses online: Select prescription, coatings, and tints to match your lifestyle needs, whether for sunglasses or clear vision.
How to Install Replacement Lenses
Safely replace your lenses at home by gently pressing out the old lenses while supporting the frame. Align the new lenses and press until they snap into place. For best results, seek help from a professional optician if unsure about lens installation.
Maintenance and Warranty
Clean with water and a microfiber cloth to keep your vision clear and lenses looking new.
We offer a 2-year warranty against manufacturing defects (this warranty does not cover scratches caused by normal use).
Tutorial
How to change your sunglass lenses?
- Prepare your glasses: Wash your hands and place the glasses on a clean, soft surface to avoid scratches.
- Remove the old lenses: Hold the frame firmly and gently press the lens from the back outwards until it pops out.
- Align the new lenses: Make sure the new lenses match the curvature and shape of the frame.
- Snap in the new lenses: Insert one side of the lens into the frame first and press the other side gently until it clicks into place.
- Verify and clean: Ensure the lenses are properly fitted and clean the surface with a microfiber cloth.
It's that easy! Enjoy your refreshed glasses.
Be Eco-Friendly

Small choice.
Big impact.
Replacing your lenses is the smart choice — for your eyes and for the planet.
Your frame is still in perfect condition. Whether you own Ray-Ban, Oakley, Maui Jim, Versace, Michael Kors, Costa del Mar or any other premium brand, instead of buying a completely new pair we manufacture your prescription lenses to your exact specifications and fit them into the frame you already love.
Additional information
| Weight | 20 g |
|---|---|
| Dimensions | 18 × 7 × 2 cm |
| Size | 51 |
| Ray-Ban Model | |
| Front Material | Injected |
| Temples Material | Metal |
| Lens material | CR39 |
| Shape | Square |
| Height (mm) | 57 |
| Lens curvature | Base 6 |
| Use | Vision |
| Product Type | Compatible |
| Audience | Adult |



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