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What are Photochromic Lenses?

Photochromic lenses are clear indoors and darken when  exposed to UV light – which means you don't have to switch between everyday glasses and sunglasses.

How do photochromics work?
Trillions of photochromic molecules quickly change colour, size and structure when exposed to UV light or temperature increases causing the lenses to darken. They’re clear indoors and darken outdoors. Some photochromic lenses also react to visible light and darken even when you sit in bright sunlight behind a window. They are usually available in brown, grey and grey-green.

What are the benefits?
Mainly convenience, but also added protection, as they shield your eyes from the sun’s harmful UV rays when outdoors. They are available in most lens materials and designs, including high-index, single vision, varifocal and bifocal lenses.

Who are they suited to?

  • People with light sensitivity

  • Teenagers (as they typically spend longer outdoors than adults)

  • People who are beginning to develop presbyopia (age-related long-sightedness)

  • Outdoor enthusiasts

  • People who continuously move between indoors and outdoors