Tuesday 10 March 2009

Varilux Lenses

Liberty
  • Soft design
  • Cheapest - not much of a jump up from bifs
Comfort
  • Wider field without head movements
  • Soft periphery
  • Lens design changes w/increasing add power
Comfort Advans
  • Has rear surface design so comfort design is maintained whatever the prescription (high cyl)
Ellipse
  • Very wide distance vision area (140 degrees)
  • Short progression length
  • Good for small frames
Ellipse Advans
  • Digitally surfaced for 145 degrees DV
  • Near zone aligned so that it matches wearer's natural convergence
Physio
  • Prettay good
  • Lens reduces Coma so increased sharpness in DV
  • Bigger area of clear DV compared to latest varis
  • Greater visual and postural comfort
  • Fitting height 17mm
Physio Short
  • Better for smaller frames 155 degrees
  • Minimum height 14mm
Physio f-360 degrees
  • Personalised version for better near and intermediate (increased intermed width)
Ipseo
  • bestest
  • Personalised depending on wearer's head/eye movement ratio

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