toric lens meaning in Hindi

Examples

1. A toric lens is designed to compensate for the patients with astigmatism.
2. In a typical toric lens, the flattest and steepest curvatures are separated by 90?
3. Consequently, in contrast with a popular assumption, the toric lens is " not " an ellipsoid of revolution.
4. A different model of toric lenses is created by Alcon and may correct up to 3 diopters of astigmatism.
5. Also in 2011, CooperVision initiated a product recall on a limited number of lots of Avaira spherical and toric lenses.
6. Bausch is doing fine in toric lenses, which correct for astigmatism, but that market is too small to buoy up Bausch's flagging revenue.
7. For regular toric lenses, these powers are perpendicular to each other and their location relative to vertical and horizontal are specified by the axis component.
8. In order to achieve the most benefit from a toric lens, the surgeon must rotate the lens to be on axis with the patient s astigmatism.
9. The power of a toric lens can be specified by describing how the cylinder ( the meridian that is most different from the spherical power ) differs from the spherical power.
10. Intraoperative wavefront analysis, such as that provided by the ORA System developed by Wavetec Visions Systems, can be used to assist the doctor in toric lens placement and minimize astigmatic errors.