How do photochromatic lenses work?

Photochromatic lenses adapt to changing light conditions so you can wear them comfortably both indoors and outdoors. Inside, the lenses remain fully transparent. When exposed to UV light, they automatically darken within seconds, transforming your regular glasses into sunglasses. Step back indoors, and within a few minutes, the lenses return to their clear state.

The darker tint is triggered by UV intensity—not just direct sunlight. Even on cloudy days, the lenses will adjust, offering optimal comfort and protection.

Benefits of photochromatic lenses

Photochromatic lenses are essentially two pairs of glasses in one—your regular optical lenses and sunglasses combined. No more swapping glasses when you step outside.

  • 100% UV protection – Shield your eyes from harmful UV rays at all times.
  • Practical and versatile – Perfect for cycling, driving, enjoying a terrace, or even skiing, where they also reduce glare from snow and reflective surfaces.
  • Comfort in all light conditions – From bright summer days to overcast afternoons, your vision remains sharp and protected.

Pricing

From just €135, you can upgrade your favorite frames with high-quality photochromatic lenses. They’re available in all prescriptions, including high strengths and high cylinders, and also without correction if you simply want eye protection. All our lenses come standard with:

  • Anti-reflective coating
  • 100% UV filter
  • Anti-scratch layer

Can photochromatic lenses be fitted into any frame?

Yes. At Glazoo, we can fit photochromatic lenses into virtually any frame—whether it’s sunglasses, optical glasses, reading glasses, distance glasses, or progressive lenses. You’ll enjoy seamless protection indoors and outdoors without having to carry a separate pair of sunglasses.

Upgrade your glasses
Turn your favorite pair into photochromatic glasses and experience convenience, protection, and style in one.