Features
SIZE

52 mm.55 mm.58 mm.
Before making your purchase, make sure to check the measurements of your glasses. This model is available in x lens width. All dimensions are listed in millimeters and include lens width, bridge, and temple length.
MATERIAL

Polycarbonate
EASY INSTALLATION

Easy Installation
All our spare parts are designed to fit perfectly with your original model. You can do it yourself at home by following our step-by-step instructions or videos.
Description

Technology & Material
Made from TAC and polycarbonate, these lenses provide impressive impact resistance and lightweight comfort for everyday use. Featuring UV400 protection as standard, your eyes are shielded from harmful sun rays, offering reliable safety and clarity all day.Compatibility & Fit
Designed specifically for the Ray-Ban 3688 frame, these replacement lenses have a precise square fit with available sizes: heights 45, 48, 50 mm and diameters 56, 60, 63 mm, base curve 6. Installation is easy—even at home—ensuring your sunglasses look and feel like new.- Save money versus original lenses
- UV400 protection for your eyes
- Exact fit for model 3688
- Easy DIY installation
- Efficient way to extend your sunglasses’ lifespan
Tutorial
How to change the lenses on your glasses?
- Prepare your glasses: Wash your hands and place the glasses on a clean, soft surface to avoid scratches.
- Loosen the frame screw: Use a precision screwdriver to carefully loosen the screw holding the lens. Keep the screw in a safe place to avoid losing it.
- Remove the old lenses: Once the screw is loosened, gently slide out the lens, avoiding excessive force to prevent damaging the frame.
- Align the new lenses: Ensure the new lenses match the curvature and shape of the frame.
- Insert the new lenses: Carefully place the lens into the frame and reinsert the screw, tightening it gently to secure the lens without over-tightening.
- Check and clean: Ensure the lenses are properly fitted and clean the surface with a microfiber cloth.
It’s that easy! Enjoy your refreshed glasses with new lenses.
Be Eco-Friendly

Commitment to Quality and the Environment
At Replacementlenses.net, our commitment to both quality and the environment is at the core of our mission.
We understand the importance of sustainability in today’s world, which is why we offer replacement parts for your glasses. Our goal is to help you extend the life of your favorite eyewear, reducing waste and the need for new purchases.
By choosing our products, you not only save money but also contribute to a more sustainable future. We believe that every small effort counts and that together we can make a big difference in protecting our planet.
Additional information
| Weight | 20 g |
|---|---|
| Dimensions | 20 × 10 × 1 cm |
| Size | 52, 55, 58 |
| Ray-Ban Model | |
| Front Material | Metal |
| Temples Material | Acetate |
| Lens material | Polycarbonate |
| Shape | Square |
| Height (mm) | 56, 60, 63 |
| Lens curvature | Base 6 |
| Use | Sun |
| Product Type | Compatible |
| Audience | Adult |




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