Astigmatic patients are given crisp, irritant-free vision when wearing CIBA Vision's Focus Dailies Toric contact lenses because they are replaced with new lenses every day, avoiding any buildup of deposits that can irritate your eyesight and cloud your vision. You will be able to locate your Focus Dailies Toric lenses in the cleaning solution with ease because of the light tint they are infused with.
Lens Material
The lens material is nelfilcon A polymer (polyvinyl alcohol partially acetalized with N-formylmethyl acrylamide).
| Lens Parameters | |
| Base curve: | 8.6 mm |
| Diameter: | 14.2 mm |
| Powers available: | +4.00D to -6.00D (0.25D steps) |
| -6.50D to -8.00D (0.50D steps) | |
| Center thickness: | 0.10 at -3.00D; (varies with power) |
| Optic zone diameter: | 7.5 to 8.0 mm (varies with power) |
Lens Properties | |
| Specific gravity: | 1.06 |
| Refractive index: | 1.38 (hydrated) |
| Light transmittance: | 96% (approx.) |
| Oxygen permeability (Dk): | 26 x 10-11(cm2/sec)(ml O 2 /ml x mm Hg) at 35 degrees C (Fatt corrected) |
| Water content: | 69% by weight in normal saline |