What material are lenses made of?
15 Mar 2025
When choosing new glasses, most people focus on the frames, but the lens index and material is just as important. The material affects the weight, durability, clarity, and overall comfort of your glasses.
In this blog, we’ll explore the different materials used for eyeglass lenses and how to choose the best one for your needs.
- Main types of eyeglass lens materials
- Comparing lens materials: quick overview
1. Main types of eyeglass lens materials
- Standard Plastic Lenses (CR-39): CR-39 stands for "Columbia Resin #39," the 39th plastic produced by Columbia Resin. It is a lightweight and clear plastic material that is widely used for eyeglass lenses.
- Polycarbonate Lenses: Polycarbonate lenses is more light weight, shatter-resistant and durable compared to standard plastic lenses. It's a quite popular lens option most people will choose.
- Trivex Lenses: Trivex lenses is better than polycarbonate lenses in optical clarity, impact resistance. Besides, it is completely UV-protective.
- High-Index Plastic Lenses: This kind of lens polymer frequently contains sulfur. It is designed to bend light more efficiently, allowing lenses to be thinner and lighter, which is a best choice for people with strong prescription.
- Glass Lenses: Glass lenses is made of mineral glass. It is suitable for people who have high prescription but require thinner lenses with less distortion.
2. Comparing lens materials: quick overview
Lens Material | Pros | Cons | Best For |
CR-39 Plastic | Affordable, lightweight | Not impact-resistant, thicker | Mild prescriptions, budget-conscious wearers |
Polycarbonate | Impact-resistant, lightweight, UV protection | Slightly lower clarity | Kids, athletes, safety glasses |
Trivex | Clearer than polycarbonate, impact-resistant | More expensive than polycarbonate | People needing durability and clarity |
High-Index Plastic | Thinner and lighter, UV protection | Higher cost, more reflective | Strong prescriptions, fashion-conscious wearers |
Glass | Sharpest vision, scratch-resistant | Heavy, breakable | People who prioritize clarity over comfort |
Choosing the right material depends on your lifestyle, prescription, and comfort needs. If you’re unsure, talk to your eye care professional to find the best lens material for your vision needs!