Lens Materials

There are many types of material that lenses can be made from. Your doctor and optician will help you choose which material best meets your specific needs.

 

Glass

  • The lower the power the better
  • Not used as much and not recommended due to weight issues. Optics and scratch resistance are good however the weight is about twice that of plastic
  • Can get in clear and photo-gray ( the current photo-gray does not get as dark as the older models)
  • Limited tint colors and can be AR coated

 

Plastic

  • Good for lower powers Plano to +/- 2.50
  • Scratch resistance: OK, TD2 scratch coat available for extra fee
  • Can get in clear or Transitions Gray or Brown
  • All tints are available, Polarized and AR coatings

 

Polycarbonate

  • Good for powers +/-2.50 to 5.00
  • Scratch resistance OK, TD2 scratch coat available for extra fee
  • Can get in clear or Transitions Gray or Extra active Gray
  • Polycarbonate CAN NOT be tinted.( the material does not hold a dip tint so you end up tinting the scratch coat which can peel over time)
  • Polarized and AR coatings are available. (the tint on the polarized lens is in the filter, NOT the polycarbonate lens material)
  • Used in safety glasses because the material is less likely to shatter on impact
  • Lighter than plastic because the material is more dense
  • Has UV protection built into the lens

 

Trivex

  • Good for powers +/-2.50 to 5.00
  • Has the same benefits as polycarbonate with better optics. Is also a lighter lens than polycarbonate
  • This lens can be tinted in all available tints
  • AR coatings, Transitions Grey, and Brown are available
  • Better for use in drill mount frames than polycarbonate
  • Has UV protection built into the lens

 

Hi-index

  • Good for powers +/-5.00 and over
  • Scratch resistance OK, TD2 scratch coat available for extra fee
  • AR coatings, Transitions Grey, and Brown are available
  • Thinnest lens available
  • Can use for drill mount frames
  • Great for higher powers
  • Has UV protection built into the lens

 

 

 

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