Many eyeglass frames have irregular, uneven, or non-uniform earstems, which makes it difficult to attach components to the eyeglasses. However, a universal clamp, such as the clamp assembly 206, allows the detachable module 200 to be removably connected to any of a variety of eyeglass frame...
For purposes of the present invention, "substantially parallel" shall mean that the preselected line of sight 130 when the lens 120 is oriented in the as-worn position generally does not deviate within the horizontal or vertical plane by more than about ±15° from parallel to the optical cent...
Lenses and frames of many other shapes and configurations may be used, as will become apparent based upon the disclosure herein. FIGS. 1-4 illustrate eyewear 100 having lenses 102a, 102b. The lenses 102a and 102b can be corrective lenses or non-corrective lenses and can be made of any ...