(under subclass 90) Subject matter wherein brace bars usually resilient are secured to and extend laterally along or above the top of divided rims.
(1) Note. The brace bars carry lens rim support and/or temple-hinge means, and provide a wide range of adjustment to different facial requirements. In this subclass the lens rims may have split ends at the nasal or at the temporal side thereof. The split ends may be at the horizontal center line, or may be above the center line and above the useful field of vision.
