Affordable photochromic sunglass eyewear at http://www.visio-rx.com

Choosing a photochromic lens is easy. Visio-Rx offers several brands, and this video explains the difference between our entry-level brand, Adnuo® FluxLD, and our advanced photochromic, Transitions® VI. Both these lenses are of excellent quality, and are guaranteed by Visio-Rx, but there are differences between the two that should be explained.

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Video text transcript

Photochromic lenses are clear indoors or at night, and become dark in sunny conditions.

We offer 2 brands of photochromic lenses: Adnuo® and Transitions®. Which one is right for you?

To determine that, let us first explain how photochromic lenses work.

Traditional photochromic technology is based on mixing UV reactive chemicals within the lens monomer.

This technology is proven to work well, but has its disadvantages. Mainly, the transition from clear to dark, and particularly dark to clear, is relatively long.

To address this concern, a new technology was developed by Transitions®.

This proprietary and unique process consist of applying a thin coating on the outside of the lens.

Since it is now only this thin layer that needs to change color, reaction time is significantly quicker.

Additionally, maximum darkness for Transition lenses is higher than the maximum for Adnuo photochromic lenses.

All the major lens manufacturers in the world own and use this patented process, which is why you see Transitions® being offered by Essilor, Hoya, Carl Zeiss, etc.

Due to the high tech process of producing Transitions® lenses, these have a higher price point than Adnuo® photochromic lenses.

So which one should you choose?

This really depends on your preferences and budget. Visio-Rx stands behind the quality of both brands.

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