Contact Lenses & Care
Boston IV
An GP lens material for daily wear use. Available in a wide range of parameters to suit most fitting situations.
Indications/Features
- Myopia
- Hyperopia
- Astigmatism
- Daily wear
Material Properties
| Trade Name: | Boston® IV |
| Material Name: | itafocon B |
| Oxygen Permeability (Dk): | 19* |
| Wetting Angle: | (Captive Bubble) 17 deg. |
| Hardness: | (Rockwell R) 117 |
| Saline Absorption: | 1.0% |
| Refractive Index: | 1.469 |
| Specific Gravity: | 1.10 |
| Tint: | Blue, Electric Blue, Clear |
*polarographic method (ISO/Fatt)
