Combined multifocal toric lens designs are disclosed which combine a correction for astigmatism, either corneal or lenticular, with a correction for presbyopia. One of the front and back surfaces of the lens defines a toric surface for an astigmatic optical correction, and one of the front and ...
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Combined multifocal toric lens designs are disclosed which combine a correction for astigmatism, either corneal or lenticular, with a correction for presbyopia. One of the front and back surfaces of the lens defines a toric surface for an astigmatic optical correction, and one of the front and ...
Toric multifocal contact lenses
The present invention provides a toric multifocal contact lens having a cylindrical optical power to correct astigmatism vision errors and a multifocal power to compensate for presbyopia. A toric multifocal contact lens of the invention has a central axis, an anterior surface having a first central ...
Comparison of two multifocal and toric multifocal contact lenses with different optical zones: A new Filcon II 2 59% versus Omafilcon A 62%doi:10.1016/j.clae.2018.03.029Elena Durán-PrietoMercedes Burgos-MartínezM. Jesús Vázquez-Fustes
A method for making a finished aspheric single vision, spherical or aspheric bifocal, multifocal or progressive addition contact lens includes the step of fitting a patient requiring a near correction with a single vision spherical or aspheric contact lens for optimal distance vision and comfortable ...
A method is described for the preparation of a contact lens finished spherical single vision, bifocal or multifocal spherical or spherical, or addition of ProgressiveThat includes the step of Adjusting to a patient who requires a close a Contact Lens Correction, spherical or spherical single vision...
Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lensesUS5598234 1994年3月23日 1997年1月28日 Innotech, Inc. Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses...
Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lensesMethods for providing a contact lens are described. According to a first embodiment, a patient is fitted with an optical preform and the position on the surface of the optical preform ...