Boston Envision contact lenses are manufactured by Polymer Technology and feature a unique bi-aspheric back surface design for superior comfort and adaptation. The lenses are gas permeable contacts to be used as daily wear lenses. For added convenience, Boston Envision lenses are made with a visible tint to help you locate your lenses in the solution.
Lens Material
Boston Envision contact lenses are made of enflufocon A.
| Lens Parameters | |
| Base Curve: | 7.0mm - 8.3mm (0.1mm increments) |
| Diameter: | 7.0mm - 11.5mm (9.6mm standard) |
| Power Range: | -20.00D to +20.00D |
| Center Thickness: | 0.15mm (@ -3.00D) |
| Lens Properties | |
| Specific Gravity: | 1.22 |
| Refractive Index: | 1.428 |
| Wetting Angle: | (Captive Bubble) 54 deg. |
| Hardness: | (Rockwell R) 117 |