Description

Prescription Lenses for Ray-Ban 4291
Breathe new life into your eyewear by replacing worn or damaged prescription lenses without buying a new frame. These replacement prescription lenses for Ray-Ban 4291 are tailored to your vision needs for both sunglasses and optical glasses. Please note: These replacement prescription lenses for Ray-Ban are not manufactured by Ray-Ban.
Our easy online configurator allows you to choose lens index (1.5, 1.6, or 1.67), customize coatings, select colors, and configure other features to suit your daily style and prescription requirements.
Compatibility of Prescription Lenses for Ray-Ban 4291
Check compatibility by locating the ‘4291’ model number inside your temple arm. These lenses are square-shaped, with a height of 45 mm, diameter of 64 mm, and base curve 6, ensuring a precise fit for the Ray-Ban 4291 frame. If you need guidance on lens shape or measurements, our optical team is ready to assist you.Features of Prescription Lenses for Ray-Ban 4291
- UV400 protection blocks harmful rays
- Lightweight comfort for all-day wear
- CR39 material for optical clarity
- Impact resistance for added durability
- Customizable with prescription, colors, and coatings
How to Install Replacement Lenses
Switching your Ray-Ban 4291 lenses at home is simple with our step-by-step guide. Carefully heat the frame if necessary, align the lens with the groove, and gently press into place. Make sure not to force the lens to avoid damage to either the frame or lenses.Maintenance and Warranty
Clean lenses with water and dry with a microfiber cloth for optimal clarity and longevity. 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.
600,000+ pairs repaired · 50+ countries · Since 2016
Additional information
| Weight | 20 g |
|---|---|
| Dimensions | 18 × 7 × 2 cm |
| Size | 58 |
| Ray-Ban Model | |
| Front Material | Injected |
| Temples Material | Nylon |
| Lens material | CR39 |
| Shape | Square |
| Height (mm) | 64 |
| Lens curvature | Base 6 |
| Use | Vision |
| Product Type | Compatible |
| Audience | Adult |



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