Ophthalmic Lenses Patents (Class 351/159.01)
- Electro-active (Class 351/159.03)
- With fluid exchange means (Class 351/159.04)
- Multifocal (Class 351/159.05)
- Astigmatic correction (Class 351/159.22)
- Orthokeratology contact lens (Class 351/159.23)
- Colored (Class 351/159.24)
- Hydrophilic (Class 351/159.33)
- Fluid lens (Class 351/159.34)
- Having a diffractive portion (Class 351/159.35)
- Having a means to limit or facilitate movement (Class 351/159.36)
- Aspherical (Class 351/159.37)
- Progressive (Class 351/159.42)
- Three or more foci (Class 351/159.43)
- Having a diffractive portion (Class 351/159.44)
- With prismatic segment (Class 351/159.45)
- Astigmatic correction (Class 351/159.46)
- Aspherical (Class 351/159.47)
- Multiple elements (Class 351/159.48)
- With light filtering means (Class 351/159.49)