CibaSoft Standard Visitint contacts from CIBA Vision are vial contact lenses designed to be worn as daily lenses for up to a year and discarded. The lenses provide you with comfortable, crisp vision throughout the day. CibaSoft Standard Visitint lenses are made with a visible tint to help you locate your lenses in the solution.
Lens Material
The lens material, tefilcon, is a hydrophilic polymer of hydroxyethylmethacrylate.
| Lens Parameters | |
| Chord Diameter: | 13.8mm |
| Center Thickness: | 0.10mm at -3.00D, 0.15mm at +3.00D |
| Base Curves: | 8.3mm, 8.6mm, 8.9mm |
| Power: | -6.00D to +6.00D |
| Approved Power Range: | -25.00D to +25.00D |
Lens Properties | |
| Specific Gravity: | 1.18 |
| Refractive Index: | 1.43 |
| Water Content: | 37.5% by weight in normal saline. |
| Luminous Transmittance: | 90% |
| Oxygen Permeability (Dk): | 8.9 x 10 -11 (cm/sec)(ml O2/ml x mm Hg), measured at 21 degrees C (Fatt Method) |