Eyeglass Lens Materials
Eyeglass Lens Materials: Benefits & Best Uses
At Simply Eyes Hawaii, weâre here to help you choose the right lenses for clear, comfortable visionâwhether youâre driving in bright Honolulu sunshine, working on a screen, or enjoying time at the beach.

Lens Materials SideâbyâSide
| Material | Best For | Advantages | Things to Know |
|---|---|---|---|
| CRâ39 (plastic) | Everyday wear on a budget | Great optical clarity, lighter than glass, affordable | Thicker in higher prescriptions; less impactâresistant |
| Polycarbonate | Kids, sports, safety glasses | Very impactâresistant, naturally blocks UV, thin & light | Slightly less crisp optics without a good AR coating |
| Trivex | Everyday clarity & comfort | Crisp optics, light, strong for rimless styles | Slightly thicker in stronger prescriptions |
| HighâIndex 1.60 / 1.67 / 1.74 | Moderateâtoâstrong prescriptions | Slim, light, reduces âbulgingâ look | More reflectiveâalways pair with AR |
| Glass | Those who value clarity & scratch resistance | Excellent optics, most scratchâresistant | Heavier, can break, not safe for kids or sports |
Choosing Whatâs Right for You
CRâ39 (Standard Plastic)
- Best for: Mild prescriptions, readers, or backâup glasses.
- Why: Clear optics at the most affordable price.
- Tip: Add a scratchâresistant coat and AR for comfort and durability.
Polycarbonate
- Best for: Kids, athletes, and anyone needing extra safety.
- Why: Impactâresistant and builtâin UV protection.
- Tip: Add AR to reduce glare from headlights and digital screens.
Trivex
- Best for: Allâday wearers who want crisp optics in a light lens.
- Why: Combines clarity, comfort, and strength.
- Tip: Perfect for rimless styles; add premium AR for the clearest view.
HighâIndex (1.60 / 1.67 / 1.74)
- Best for: Moderate to high prescriptions where thinness matters.
- Why: Slimmer, lighter, and more flattering.
- Tip: Always pair with premium AR since highâindex reflects more light.
Glass
- Best for: Careful users who value scratch resistance above all.
- Why: Clear optics and durable surface.
- Tip: Heavier and less safeâgenerally not recommended for active wear.
Eyeglass lens Materials
Essential Lens Options in Hawaiâi
- 100% UV Protection: Built into poly and Trivex; can be added to CRâ39.
- AntiâReflective (AR): Clearer vision, safer night driving, and lenses that look better in photos.
- Scratch Resistance: Helps lenses last longerâespecially around beach sand.
- BlueâLight Filters: For comfort during long hours on screens.
- Polarized Lenses: Reduce glare from roads and waterâperfect for island life.
- Photochromic Lenses: Darken outdoors, clear indoors; drivingâoptimized options available.

FAQs About Eyeglass Materials
Which lens is most durable?
Poly and Trivex for impact, glass for scratch resistance.
Whatâs the thinnest?
Highâindex 1.67 or 1.74.
Do all lenses block UV?
Poly and Trivex do; CRâ39 needs an addâon.
Best choice for rimless?
Trivex or poly.
What coatings do you recommend?
UV, AR, and scratch resistance are musts. Add polarization for sun.
Eyeglass lens Materials
Ready for Clearer Vision?
Our eye doctors will guide you through the options and recommend the lens material and coatings that fit your prescription, lifestyle, and budget.
