Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
Inventor
active
Apparatus and method for producing center gated lens molds for c
Aspheric toric lens designs
Combined multifocal toric lens designs
Concentric annular ring lens designs for astigmatic presbyopes
Concentric annular ring lens designs for astigmatism
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