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Clear sunglasses - Page 3

post #31 of 34
They're usually called photochromic (vs photochromatic). Sorry, that was just bugging me.

It doesn't darken as much when driving because the car glass blocks much of the UV that activates the photochromic lens but it's still nice. I had a cheap pair made from one of those online eyeglass places. It doesn't transition as rapidly as a Transitions brand photochromic pair that my wife wears.
post #32 of 34
Quote:
Originally Posted by HomerJ View Post
They're usually called photochromic (vs photochromatic). Sorry, that was just bugging me.
Actually, both are correct terms -- anything that exhibits photochromic behaviour is said to be photochromatic. The former can be both a noun and an adjective, while the latter is predominantly used as an adjective. So, a glass that exhibits photochromic behaviour would be a photochromic substance. And you can have photochromic sunglasses also, however photochromatic is rarely used as a noun (e.g. it is not common to say that something is a photochromatic substance). However, you can still say that you have photochromatic sunglasses. Usually, this helps differentiate between the terms (leaving context aside, of course). And in the context of this thread, both terms are quite appropriate.
post #33 of 34
Quote:
Originally Posted by chronic View Post
They come w/ the sunglasses. Check the website for more details:

http://www.oliverpeoples.com/coll_benedict_scs.html

As for the sunglasses, I got them at Solstice. Don't know if you can get just the lenses...

Well, thanks.

I guess I'd have to look around and see if it would be possible to have blue photochromatic prescription lenses made. I'm not too particular about the frame, but I just love the lenses.
post #34 of 34
Quote:
Originally Posted by Metlin View Post
Actually, both are correct terms -- anything that exhibits photochromic behaviour is said to be photochromatic. The former can be both a noun and an adjective, while the latter is predominantly used as an adjective.

So, a glass that exhibits photochromic behaviour would be a photochromic substance. And you can have photochromic sunglasses also, however photochromatic is rarely used as a noun (e.g. it is not common to say that something is a photochromatic substance). However, you can still say that you have photochromatic sunglasses.

Usually, this helps differentiate between the terms (leaving context aside, of course). And in the context of this thread, both terms are quite appropriate.

That was informative, thank you. I think photochromatic was used as a noun in this thread (sorry for being pedantic). Where does photochroic fit in or does it?
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