Double eyelid forming devices
Double piston spring hinge for hingeably connecting temples to a
Double progressive spectacle lens
Double progressive spectacle lens
Double progressive spectacle lens
Double scanning optical apparatus
Double scanning optical apparatus and method
Double scanning optical apparatus and method
Double-foldable eyeglasses
Double-hinged adjustable eyeglasses
Drug delivery system and methods of use
Drugless eye examination system
Dual complementary two-color optics which enables a user to...
Dual image corneal radius measurement
Dual lens X-ray protective eyewear
Dual position ophthalmic apparatus
Dual purpose sunglass lens having gold appearance and method of
Dual rate spring-action eyewear temple
Dual strap eyewear and identification strap holder
Dual temple system for eyewear