Durasoft 3 LiteTint (D3*LT) contact lenses from Wesley Jessen are designed to be worn as daily lenses for up to a year. Some patients may be able to wear them as extended wear lenses for up to six nights, depending on advice from their eye care practitioner. The lenses come in a wide variety of powers, making them a good choice for patients with high prescriptions. Durasoft 3 LiteTint contacts are made with a visible tint to help you locate your lenses in the solution. This tint will not change the color of your eyes.
Lens Material
The lens material, phemfilcon A, is a hydrophilic copolymer of 2-hydroxyethyl methacrylate and 2-ethoxyethyl methacrylate.
| Lens Parameters | |
| Base Curve: | 8.3, 8.6 and 9.0mm |
| Diameter: | 14.5mm |
| Power Range: | +10.00 to -10.00, 0.25D steps |
| +10.50 to +20.00, 0.50D steps | |
| -10.50 to -20.00, 0.50D steps | |
| Center Thickness: | Varies with power. Typically 0.05mm for minus lenses increases with increasing plus power. |
| Lens Properties | |
| Specific Gravity: | 1.178 |
| Refractive Index: | 1.412 |
| Visible Light Transmission: | 95% minimum |
| Water Content: | 55% |
| Optical Zone: | 5mm |
| Oxygen Permeability: | Dk/L=32.2x10-9ml O2 cm/sec ml mm Hg @ 35 deg. C |