What are Transitions® Light Intelligent Lenses™

Simply put, Transitions® Light Intelligent Lenses™ seamlessly adapt to changing light situations. Responding to the light around you, these lenses intelligently change from clear to dark when you go outdoors, and back to clear when you return inside.


    Responding to the light around you, Transitions® Light Intelligent Lenses™ intelligently change from clear to dark when you go outdoors and back to clear when you return inside.


    All Transitions® Light Intelligent Lenses™ block 100% of UVA and UVB rays and help to protect against sources of harmful blue light* including digital devices, screens and especially bright sun. By optimising the amount of light your eyes received, Transitions® Light Intelligent Lenses™ also help reduce the glare, for more effortless sight.


    Transitions® Light Intelligent Lenses™ offer a choice of products tailored to your eyecare needs and are available in a wide range of stylish lens colours, so you can express your own personal style. Empower yourself to take control of your light and enjoy always-on protection anytime, anywhere - indoors and out.

*"Harmful blue light" is calculated between 380 nm and 460 nm.

At SmartBuyGlasses we offer the highest quality photochromic lenses from Transitions Optical, who are experts in light intelligent lenses.

You can choose between Transitions® Signature® GEN 8™ and Transitions® XTRActive® lenses. Read on to discover which one is best for you.


Engineered to provide your eyes with a better vision experience and protection**, they're our clearest and fastest lenses.


Available in brown and gray.

The best for people who are very light-sensitive or frequently exposed to bright light

Transitions® XTRActive lenses deliver the best extra darkness and the best extra light protection from intense light indoors and outdoors, even in the car.


Available in gray.

Blue Light Blocking UV Light Protection Behind Windshield Activation Completely Clear Indoors

Transitions, Transitions Light Intelligent Lenses and the logo are trademarks and Transitions Signature and XTRActive are registered trademarks of Transitions Optical, Inc. used under license by Transitions Optical Limited. Photochromic performance is influenced by temperature, UV exposure and lens material.