Photochromic lenses change in direct proportion to the UV present.
Since car windshields contain a UV blocker, they respond considerably
less, when inside the car.
There is another variety called Drivewear, which consists of several
coatings, one of which reacts to light, rather than UV...but I've not
seen them in person. There have been limited discussions about these
lenses, on the forum, but what little information there is, should be
in the archives.
If it was me, I'd get photochromics put into a frame that has a
magnetic clip on. That way you get the best of both worlds.
-- Chuck Knight
On Wed, Sep 30, 2009 at 7:31 PM, Sleepybears <[email protected]> wrote:
>
> Hello,
>
> I'm thinking about ordering a prescription photochromic glasses
> (single vision) from gogles4u. Have anyone ordered this type of lenses
> from goggles4u before? I have never ordered any glasses online but I
> really want to try ordering either tinted or photochromic glasses
> online.
>
> Also, for those who have photochromic glasses, do you drive with them?
> I heard that they are not good for driving in daytime because the
> lenses won't change color inside the car. Is that true?
>
> Last but not least, how is the quality of the glasses you get from
> goggles4u?
>
> Thank you for your help!
>
> >
>
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