| (Alden Optical) Astera Multifocal Toric | ||
|---|---|---|
| Property | Value | Notes |
| Base Curves | 6.5 to 9.7 | in 0.1 mm steps |
| Diameter | 10.0 to 16.0 | (14.5 standard) |
| Sph powers | +30 to -30 | 0.25D steps |
| Cyl powers | -0.50 to -10.00 | 0.25D steps, any axis |
| Add powers | low: ≤ +1.50D, medium: +1.75 to 2.25, high +2.50 up | |
| Qty | Single vial, 4 pack vials, 6 pack vials | |
| Mode | DW | |
| Replacement | Monthly, bimonthly, quarterly | |
| Material | Hioxifilcon D | 54% H2O |
| Group | 3, high water, non ionic | glycerin derivative |
| Man. Process | lathe cut | |
| DK | 21 | |
| CT | @ -3.00 | |
| OZ | ||
| Tint | Clear or handling tint | |
| Aspheric. Center near. Dual Elliptical Stabilization™ 8.3, 8.6, 8.9 non cyl diagnostic set available. |
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