Boston IV
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
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Trade Name:
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Boston IV
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Material Name:
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itafocon B
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Oxygen Permeability (Dk):
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19*
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Wetting Angle:
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(Captive Bubble) 17 deg.
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Hardness:
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(Rockwell R) 117
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Saline Absorption:
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1.0%
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Refractive Index:
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1.469
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Specific Gravity:
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1.10
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Tint:
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Blue, Electric Blue, Clear
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*polarographic method (ISO/Fatt)
