Aspherical spectacle lens
Aspherical spectacle lens
Aspherical spectacle lens with geometric center spaced from...
Aspherical spectacle lens with prismatic power to correct...
Assymetrical progressive lens
Astigmatic-power spectacle lens
Astigmia correcting eyeglasses
Asymmetric aspheric contact lens
Asymmetric aspheric contact lens
Asymmetric contact lens
Attachment for microscopes
B-spline optimization of optical glasses especially...
Back-surface progressive power lens
Balanced progressive lens
Band filters for use in protective glasses
Bi-aspherical type progressive-power lens
Bi-aspherical type progressive-power lens
Bi-aspherical type progressive-power lens and method of...
Bi-aspherical type progressive-power lens and method of...
Bi-focal contact lens