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Unlocking the Magic: The Ultimate Guide to Photochromic Lenses!

EFE GLASSES | Mar 30,2024

photochromic lenses, also known as transition lenses, are a fascinating innovation in eyewear technology. In this ultimate blog guide, we will delve into the world of photochromic lenses, exploring what they are, how they work, and answering the burning question.


what are photochromic lenses?

how do photochromic lenses work?

do photochromic lenses reduce glare?

Where to Find Photochromic Lenses: Top Brands and Retailers

how much are photochromic lenses?

Common Questions About Photochromic Lenses: FAQs Answered


Photochromic lenses

What are photochromic lenses?

Photochromic lenses are a lens that can automatically adjust the shades according to changes in lighting conditions. They are coated with a special chemical that causes them to dim when subjected to ultraviolet (UV) light and light when the UV light decreases. This adaptive feature supplies optimal vision and comfort throughout the day.

How do photochromic lenses work?

Photochromic lenses work based on a chemical reaction called a photochromic reaction. The lenses contain molecules that undergo a reversible change in structure when exposed to UV light. This change in structure causes the lenses to darken, reducing the amount of light that reaches the eyes. When the UV light is no longer present, the lenses gradually return to their clear state.

Do photochromic lenses reduce glare?

Yes, photochromic lenses are designed to reduce glare. When exposed to bright sunlight, the lenses darken, helping to filter out excessive light and glare. This feature provides a more comfortable visual experience, especially in outdoor activities or while driving. However, it's important to note that photochromic lenses are not the same as polarized lenses, which specifically target horizontal glare. Photochromic lenses provide overall light reduction, including vertical and horizontal glare.

Where to find photochromic lenses: Top brands and retailers

Photochromic lenses are widely available at various eyewear retailers and online stores. One reputable brand that offers photochromic lenses is EFE glasses[ They provide a range of high-quality lenses, including photochromic options, to suit different needs and styles.

How much are photochromic lenses?

The cost of photochromic lenses can vary based on factors such as the brand, lens type, and frame choice. It is recommended to compare prices and options before making a purchase. EFE glasses, for example, offers affordable and quality photochromic lenses . Prices can vary, so it's best to check with the retailer or brand for specific pricing information.

Photochromic lenses

Common Questions About Photochromic Lenses: FAQs Answered

- Do photochromic lenses work in the car? 

Yes, photochromic lenses can darken behind the windshield of a car, although the level of darkening may vary depending on the specific lens and the type of glass in the vehicle.

- Do photochromic lenses work indoors? 

Photochromic lenses may not darken significantly indoors because UV light is typically filtered out by windows and other types of indoor lighting. However, they may still provide some level of tint depending on the intensity of the UV light present indoors.

- Is photochromic lens good for eyes? 

Photochromic lenses are perfect for individuals who need to use glasses every one of the time. Both main functions of photochromic lenses are to shield your eyes from UV light and to eliminate the requirement for a different set of prescription sunglasses. The lenses supply complete protection from UVA and UVB rays in all times.

- Which is better transition or photochromic lenses? 

Think about your daily activities and the environments you frequent. If you spend a lot of time outdoors, you may want to opt for Transitions lenses that darken more quickly and provide extra protection against bright sunlight.

- What is the lifespan of photochromic lenses? 

A good pair of photochromic lenses should typically last for 3 years. With proper care and maintenance, a lifespan of 5 years or more is also possible.


Photochromic lenses offer the magical ability to adapt to changing light conditions, providing optimal vision and reducing glare. With their automatic tint adjustment, they offer convenience and comfort throughout the day. Whether you're engaging in outdoor activities or driving, photochromic lenses can enhance your visual experience. Remember to choose a reputable brand like EFE glasses for your photochromic lens needs . Enjoy the comfort and convenience of these remarkable lenses!

If you have any more questions or need further assistance, feel free to ask EFE.