Pair of multifocal progressive spectacle lenses

Pair of spectacles

Pair of spectacles with interchangeable lenses

Partial eyeshield

Pearlescent contact lens

Photochromic lenses and method for manufacturing

Photochromic multifocal lenses and method of fabrication...

Photochromic ophthalmic systems that selectively filter...

Photochromic ski goggles

Phototropic glass for multifocal spectacle-glasses

Phototropic glass for multifocal spectacle-glasses

Physiologically compatible plastic contact lenses and a...

Piezo-electric vibrator devices

Piezoelectric transducer

Pivotable auxiliary lenses frame and primary lenses frame...

Pivoting optical accessory for use with spectacles

Pixellized transparent optical component, comprising an...

Plastic contact lenses and methods for their production

Plastic lens

Plastic spectacle frame