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Glasses That Adjust to the Light
Clear-to-dark lenses look like regular clear lenses indoors and darken automatically when you step outside. They react to the sun's UV light, so you don't have to switch between your glasses and a pair of sunglasses every time you go in and out.
They are a great everyday choice if you spend your day moving between indoors and outdoors: walking the dog, running errands, sitting on a patio or watching your kids play outside.
They are a great everyday choice if you spend your day moving between indoors and outdoors: walking the dog, running errands, sitting on a patio or watching your kids play outside.
How Clear-to-Dark Lenses Work
Activated by UV: the lenses darken when they are exposed to the sun's ultraviolet (UV) light.
Stronger UV, darker lenses: the brighter and sunnier it is, the darker they get. A bright summer afternoon makes them darker than a cloudy morning.
Back to clear indoors: when you go back inside, away from UV light, the lenses gradually return to clear.
Perfect for the Outdoors
Because they respond to the sun, clear-to-dark lenses are at their best outside: walks, hikes, gardening, shopping trips and outdoor sports. You get comfortable vision in bright light and clear lenses again as soon as you come inside.
Good to Know: Driving
Most car windshields block UV light. Since UV is what makes the lenses darken, clear-to-dark lenses usually will not turn dark inside a car.
If you spend a lot of time driving in bright sun, a pair of prescription sunglasses is the better choice behind the wheel.
On very bright days, clear-to-dark lenses are not as dark as a dedicated pair of sunglasses. For the beach, the slopes or a full day on the golf course, prescription sunglasses give you the most comfort.
Which Lenses Are Right for You?
Clear-to-Dark
Best for in and out all day
One pair for indoors and outdoors. Darkens in the sun on walks, errands and outdoor activities. Usually stays clear inside a car.
Prescription Sunglasses
Best for driving and bright sun
Always tinted, so they work in the car and give the most comfort on long sunny days. Learn more
Blue Light Blocking
Best for screens
Clear lenses that filter blue light from phones, tablets and computers for long hours of screen time. Learn more
Buy 1, Get 1 FREE
Why choose? Get both pairs.
Pair clear-to-dark lenses for every day with prescription sunglasses for driving. With Buy 1 Get 1 FREE plus an extra 35% off lenses on any two pairs, your second pair costs a lot less than you might think.
Code BOGO35 is applied automatically when you add your second pair to the cart.
How to Order Clear-to-Dark Lenses
1
Choose your frame
Browse our women's and men's glasses and pick the frame you love.
2
Enter your prescription
Add the details from your eyeglass prescription during lens selection.
3
Pick Clear to Dark
At the lens type step, choose Clear to Dark and complete your order.
Clear-to-Dark Lens Questions
What makes clear-to-dark lenses darken?
They react to ultraviolet (UV) light from the sun. The stronger the UV, the darker the lenses become.
Do clear-to-dark lenses work in the car?
Usually not. Most windshields block UV light, so the lenses stay mostly clear inside a car. For driving in bright sun, prescription sunglasses are the better choice.
Are they as dark as sunglasses?
Not quite. On very bright days they get noticeably darker, but a dedicated pair of sunglasses is darker still.
How quickly do they turn clear again?
When you go back indoors, away from UV light, the lenses gradually fade back to clear.
Should I get clear-to-dark lenses or prescription sunglasses?
Choose clear-to-dark if you want one pair for indoors and outdoors. Choose prescription sunglasses if you drive a lot or spend long hours in bright sun. Many customers get both with our Buy 1 Get 1 FREE offer.
See Clearly, Indoors and Out
Choose your favourite frame and select Clear to Dark at the lens type step.
