hat
Pifò anmatit kontak ki te koze pa sipò ki gen nikèl ak kwiv - metal ki genyen nan prèske tout alyaj. Dapre règleman legal, pwen sipò nan spectacle yo (nen pon, kouvri ak tanp) dwe fèt nan materyèl ki pa alèjenik. Men, sa a difisil ak ankadreman metal. Menm Nerjaveèi asye, alyaj Titàn ak lò PLATING / lò PLATING gen nikèl.
eng
Most contact dermatitis is caused by sockets containing nickel and copper - metals contained in almost all alloys. According to legal regulations, the points of support of the spectacles (nose bridge, overlay and temple) must be made of non-allergenic materials. But that's difficult with metal frames. Even stainless steel, titanium alloys and gold plating / gold plating contain nickel.