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Medical Forum / General / Vision / April 2007flexon and nickel allergy
Does anybody have any knowledge whether a person with nickel allergies should wear flexon frames? Flexon is a Titanium/Nickel based alloy. I did some searching, and I didn't find anybody that complained their Flexon frames aggravated their nickel allergies. The salesperson assured me the frames are non-corrosive and hypoallergenic. I know I should just go with a 100% titanium frame instead, but I got tricked last time into buying one that had nickel temples...not cool. I was just curious as to whether anybody knows with certainty whether people with nickel allergies should stay away from Flexon. >Does anybody have any knowledge whether a person with nickel allergies >should wear flexon frames? Flexon is a Titanium/Nickel based alloy. I [quoted text clipped - 5 lines] >just curious as to whether anybody knows with certainty whether people >with nickel allergies should stay away from Flexon. 100% titanium and beta titanium frames are nickel free if the coloring is nickel free. Silhouette and Rodenstock titanium frames are completely nickel free. Hope this helps Robert Martellaro ~~~~~~~~~~~~~~~~~~ Optician/Owner Roberts Optical robopt@execpc.com ~~~~~~~~~~~~~~~~~~ "An expert is a person who has made all the mistakes that can be made in a very narrow field." - Niels Bohr Any experiences with Flexon glasses frames and skin allergy i.e. contact dermatitis > Any experiences with Flexon glasses frames and skin allergy i.e. contact > dermatitis? My understanding is that Nitinol (the material used in Flexon frames) is about 50% Titanium and 50% Nickel (these are only approximate percentages). It is possible (but I don't know) that the Nickel does not easily escape when combined with Titanium in the alloy. I have worn Autoflex frames (also made by Marchon and similar to Flexon but only certain parts of the frame have the memory) for a long time and have not had a problem, but I don't know whether I am allergic to nickel. |
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