Boston MultiVision Contact Lenses


Designed to answer the needs of the growing presbyopic population worldwide. The Boston MultiVision gas permeaable (gp) contact lenses are made from the Boston ES (enflufocon A) fluoro silicon acrylate material with a water content of <1% by weight. The lenses consists of a back surface aspheric design intended to provide distance and intermediate correction with a reading addition of +1.50D. The base curves range from 7.3 mm to 8.3 mm, in 0.1 mm steps, with an overall lens diameter of 9.6 mm. The lens parameters and lens design were chosen to maximize the ease of fit.

Key Features & Benefits

  • Multi-aspheric back surface geometry
  • Comfortable lens design

Design

Indications: presbyopia, myopia, hyperopia, astigmatism
Modality: daily wear
Power Range: -20.00D to +20.00D in 0.12D increments
Diameter: 9.6 mm
Base Curve Range: 7.30 mm to 8.30 mm in 0.1 mm increments
Add Powers: Nominal add power +1.50 D
Center Thickness: Can have a center thickness of 0.10 to ~0.69 mm that will vary with lens design and power.
Specific Gravity: 1.22
Refractive Index: 1.443
Light Absorbance (640 nm): 10.2 (absorbance units/inch)
Surface Character: Hydrophobic
Wetting Angle: 52°
Water Content: <1%
Oxygen Permeability: 36 (gas to gas method), 18 (polarographic methodISO/Fatt)
Tint: Blue
UV Absorber*: yes

*UV-absorbing contact lenses are NOT substitutes for protective UV-absorbing eyewear such as UV-absorbing goggles or sunglasses. Persons should continue to use their protective UV-absorbing eyewear as directed.

Disinfection Methods

Boston Care Systems

Boston MultiVision: Additional information


BNL.0015.USA.19

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