The photochromic ophthalmic lenses are designed to adapt to changes in brightness, darkening when exposed to ultraviolet (UV) light and lightening when indoors or when there is less UV light.

These lenses are made from a special material that contains photosensitive molecules. When exposed to UV light, these molecules undergo a chemical reaction that causes them to darken, automatically adjusting to the lighting conditions. When exposure to UV light decreases, such as indoors or at night, the photosensitive molecules return to their original state, making the lenses lighter again.

Note: It's important to note that photochromic lenses take some time to fully adjust to changes in brightness. The speed of lightening and darkening varies according to the intensity of the UV light and the ambient temperature.

Some advantages of using photochromic lenses:

1. UV protection: Photochromic lenses offer protection against the sun's harmful ultraviolet rays. They darken in response to exposure to UV light, blocking UVA and UVB rays. They help protect the eyes against sun damage, such as premature ageing of the skin around the eyes, cataracts, macular degeneration and other eye health problems.

2. Convenience: With photochromic lenses, there's no need to constantly switch between sunglasses and frames, as they automatically adapt to changes in brightness, providing visual comfort in different environments. This convenience is especially useful in frequent transitions between light and dark environments, allowing you to maintain proper vision without interruptions.

3. Protection against glare: These lenses also help to reduce the discomfort caused by excessive glare in very bright environments. They adjust their darkening level according to the brightness of the environment, reducing excessive glare and providing more comfortable vision.

For even greater protection and comfort, it is possible to have polarised photochromic lenses, maximising the reduction of glare and parasitic reflections.

4. Aesthetics: Photochromic lenses are available in several colours, allowing you to choose the option that best suits your personal style and preferences. There are no major limitations to their application in any type of frame. So you can keep up with fashion trends and choose the frame you like best.

For those who wear prescription glasses and want to maximise the versatility of having just one piece of equipment that meets the light requirements of everyday life, photochromic lenses are the universal solution par excellence.

You can find more information about Solution Lens in the catalogue available at online shop.