Bolt and engagement aperture lens joint structure for frameless
Bow and hinge mounting assembly for eyeglasses frames
Breakaway hinge for eyeglasses
Bridge for attaching auxiliary lenses
Bridge of the nose eyewear support system
Bridge pad and mounting structure for attachment to spectacles
Bridge pad assembly for metal spectacle frames
Bridge structure for glasses and nose pad thereof
Bridge structure of spectacles frame
Bright ring keratoscope
Brightness acuity tester
Broad band optical fiber telecommunications network
Buckle device for frameless eyeglasses
Buoyant eyeglass holder apparatus
Buoyant eyeglass retainers