Inertia-type bone conduction receivers and similar...

Inflatable nose pad for raising and lowering spectacle frames

Integral bi-directional hand-held reading glasses

Integral eyewear frame

Integral vertical plane adjusting mechanism for an eyeglass...

Interchangeable eyewear assembly

Interchangeable spectacles and sunshade clip assembly

Interconvertible goggles and eyeshades

Interlockable magnetic shelter frame for spectacle frame

Interlockable magnetic shelter frame for spectacle frame

Interlocking connection between a piece of wire and a molded...

Intra-ocular device with multiple focusing powers/optics

Intracorneal lenses having a central hole

Intraocular and extraocular lens construction and method of...

Invertible spectacles frame

Invisible rim spectacles

Iol with varying correction of chromatic aberration