Contact Lenses & Care
Boston® XO
Boston® XO is a tough, stable, high Dk material that can be made into a wide variety of special designs for demanding visual needs. Boston XO has an ISO/Fatt Dk of 100 with a proven record of international success as a premium extra oxygen exceptional stability GP material.
Indications/Features
- Myopia
- Hyperopia
- Astigmatism
- Presbyopia
- Daily wear
Material Properties
| Trade Name: | Boston XO |
| Material Name: | hexafocon A |
| Oxygen Permeability (Dk): | 100* |
| Wetting Angle: | (Captive Bubble) 49 deg. |
| Hardness: | (Rockwell R) 112 |
| Saline Absorption: | 1.0% |
| Refractive Index: | 1.415 |
| Specific Gravity: | 1.27 |
| Tint: | Blue, Ice Blue, Violet, Green |
*polarographic method (ISO/Fatt)
