Boston ® Materials Manufacturer Products

Bausch + Lomb Boston’s commitment to the field of Specialty Contact Lenses includes:

  • GP materials
  • Soft lens materials
  • Contact Lens coating Tangible Hydra-PEG®
  • Licensing of designs
  • Educational resources
  • Regulatory knowledge
  • Industry support
  • Strength of B+L and Boston brand to consumers and eye care professionals

The following presentation aims to bring value and support. It contains a basic explanation of corneal physiology and a description of various physical characteristics of gas permeable contact lens materials.

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B+L Boston Materials Presentation

This information permits the fitter to select the appropriate gas permeable lens material for each wearer.

Here is our Product Guide:

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Product List:

Please click any of the + for more information

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A hyper-Dk GP material that provides exceptional ogygen delivery which supports corneal health and overall comfort. It is an ideal material for special design applications.

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Boston XO is a tough, stable, high Dk material that can be made into a wide variety of special designs for demanding visual needs.

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A mid-Dk gas permeable lens material for daily wear that is formulated from patented AERCOR™ architecture.

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A gas permeable lens material for daily wear that is formulated from the patented AERCOR™ architecture. Material's enhanced stability allows for design versatility, especially for ultra-thin lens designs.

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A high Dk gas permeable lens material formulated for daily or extended wear. Available in a wide range of parameters to suit most fitting situations.

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A gas permeable lens material formulated for daily or extended wear. Available in a wide range of parameters to suit most fitting situations.

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A gas permeable lens material suited for daily wear use. Available in a wide range of parameters to suit most fitting situations.

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A gas permeable lens material suited for daily wear use. Available in a wide range of parameters to suit most fitting situations.

 

BrandDk Levels
XO2 (hexafocon B) Dk 141
XO (hexafocon 1) Dk 100
Equalens II (oprificon A) Dk 85
EO (enflufocon B) Dk 58

Equalens (itaflurofocon A)

 Dk 47
IV (itafocon B) Dk 19
ES (enflufocon A) Dk 18
II (itafocon A) Dk 12

*Dk is measured in ISO/Fatt cgs units

Download Standard Boston® Material List

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Boston ® Materials Recommendation

Application/Usage Boston ES Boston EO Boston XO Boston XO2
(DK 18) (Dk 58) (Dk 100) (Dk 141)
Daily wear Excellent Excellent Excellent Excellent
Flexible wear² Not recommended Excellent Excellent Excellent
Extended wear² Not recommended Not recommended Excellent Excellent
Planned replacement Not recommended Not recommended Excellent Excellent
Thin designs Excellent Excellent Not recommended Not recommended
Ultrathin designs Excellent Not recommended Not recommended Not recommended
Toric designs Excellent
(Hyperopic toric)		 Excellent Excellent
(Hyperopic toric)		 Excellent
Presbyopic designs Excellent Excellent Good ??
Corneal rehabilitation
(post PMMA wear)		 Excellent Good Not recommended ??
GPC rehabilitation Excellent Excellent Excellent Excellent
Keratoconus Excellent Excellent Good Good
Aphakia Fair Good Excellent Excellent
Post corneal surgery fitting Excellent Excellent Excellent Excellent
High oxygen demand corneas Fair Excellent Excellent Excellent
Dry eye Excellent Excellent Excellent Excellent
Daily orthokeratology² (ortho-k) Excellent Excellent Excellent Excellent
Overnight orthokeratology² Not recommended Not recommended Excellent Excellent

² Only Boston® Equalens I and Boston® Equalens II are currently USFDA approved for extended wear.