Photochromic lenses react to ultraviolet light: they darken outdoors and return to clear indoors. They are a convenient option if you would rather not switch between glasses and sunglasses.
Good to know
- Fading back to clear can take several minutes.
- They darken less behind most car windscreens, which block UV.
- Cold temperatures often make them darker; heat makes them lighter.
- Available in gray and brown in our lens builder.
Compare trade-offs in photochromic lenses: pros and cons.
Add photochromic lenses to any eyeglasses frame.
Shop eyeglasses
