A GP lens material suited 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)