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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.
Boston XO is a tough, stable, high Dk material that can be made into a wide variety of special designs for demanding visual needs.
A mid-Dk gas permeable lens material for daily wear that is formulated from patented AERCOR™ architecture.
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.
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.
A gas permeable lens material formulated for daily or extended wear. Available in a wide range of parameters to suit most fitting situations.
A gas permeable lens material suited for daily wear use. Available in a wide range of parameters to suit most fitting situations.
A gas permeable lens material suited for daily wear use. Available in a wide range of parameters to suit most fitting situations.
| Brand | Dk 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
| 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 wear | Not recommended | Excellent | Excellent | Excellent |
| Extended wear | 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 | Good |
| Corneal rehabilitation (post PMMA wear) |
Excellent | Good | Not recommended | 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 orthokeratology (ortho-k) | Excellent | Excellent | Excellent | Excellent |
| Overnight orthokeratology | Not recommended | Not recommended | Excellent | Excellent |
