Materials
About our materials
Disposable
Soft durable
Gas permeable
Home » Materials » Gas permeable

Gas Permeable lens materials
First Choice Range identified in Bold text
Material typeTintDk*Description/applications
    
Boston EOBlue 58Mid-Dk material suitable for all daily wear applications with a 
Boston EOBlue UV58wetting angle of 49 degrees. UV blocker available if required.
    
Boston IVBlue19Well-proven material for daily wear applications with a relatively 
Boston IVClear19low wetting angle of  17 degrees
    
EqualensBlue71Mid/high Dk material for general daily wear
EqualensClear71with a wetting angle of 30 degrees
    
PMMAClearzeroStandard PMMA material generally used in diagnostic sets
PMMAGreyzero 
PMMALight blue    zero     
    
PF 45Blue50Dependable mid-Dk general-purpose material for all
PF 45Grey50daily wear applications and with a wetting angle of
23 degrees.
    
   RGP core material with a unique hydrophilic surface
Hybrid FSBlue23providing a wetting angle of virtually zero and high levels
Hybrid FSGrey23of comfort. Surfaces are not treated to create this effect
   Daily wear applications  where max. comfort is needed
    
Hybrid FS PlusBlue45As for Hybrid FS but with higher Dk
Hybrid FS PlusGrey45 
    
Optimum ComfortGrey65General daily wear with enhanced wettability 
Optimum ComfortBlue65(wetting angle of 6 degrees) for promotion of high
Optimum ComfortGreen65comfort levels UV blocker available as required.
   
Optimum ExtraGreen100As for Optimum Comfort, but with higher Dk and lower 
Optimum ExtraDark Blue100wetting angle (3 degrees) for more demanding regimens.
    
Optimum Extreme   Blue125As for Optimum Comfort, but with higher Dk for the most 
   demanding of fitting regimens.Wetting angle of 6 degrees.
    
Paragon HDS 60Blue58Mid-Dk material with an efficient gas distribution 
Paragon HDS 60Green58capability + wetting angle of 14.7degrees.
    
Paragon HDS 100Blue100High-Dk material with an efficient gas distribution 
capability + wetting angle of 42degrees.
* Note: DK measurement units (x 10-11 (cm2/sec)[ml O2/(ml x mm Hg)])