Randomly pixellated optical component, its fabrication...

Reality mediator for the prevention of theft of visual...

Rear-view mirror for attachment to eyeglasses and cap brimes

Recessed hinge to make the temples of spectacles elastic

Refractive index gradient lens

Removable screens for spectacles

Renewable nose pad for spectacles

Residual accomodation threshold for correction of presbyopia...

Resilient hinge for eyeglasses

Resin ophthalmic lenses having a prismatic segment

Retractable eyewear retaining strap assembly

Rheostat for telephonic instruments

Rigid gas permeable lenses

Rim for eyeglasses and spectacles

Rimless eyeglasses

Rimless eyeglasses

Rimless eyewear

Rimless spectacles and method for making same

Rimless spectacles with sides of essentially filamentary...

Rotatable lens eyeglasses