Disclosed are dimensionally stable eyeglass orbitals, pivotably mounted in an eyeglass frame. In one embodiment, the eyeglass orbitals are investment cast from substantially pure titanium or a titanium based alloy. The orbitals hold the lenses in the as-worn orientation such that the optical centerline...http://www.google.de/patents/US6106116?utm_source=gb-gplus-sharePatent US6106116 - Biased eyeglass frames
