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Crossbows Contour S

Features of design

  • Low distortion soft design
  • Wide usable corridor
  • Individual designs for left and right eyes
  • 20mm corridor length to full addition power
  • Minimum fitting height of 21mm
  • Moulds in 1.498, 1.56 and 1.60 indices
The Contour S design with its low rates of change and levels of astigmatism provides good dynamic vision combined with generous intermediate and reading areas. Maximum astigmatism is located on the nasal side where most of it will be edged away.

Progressive Contour S Moulds 1.498, 1.56 and 1.60 Index

Contour S Design Base Curve and Addition Range for Ø86mm moulds:
Nom Base True Base n=1.530 Additions
1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00
0.75 0.56 ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊ ◊
2.25 1.94 • • • • • • • • •
4.25 4.56 • • • • • • • • •
5.50 5.79 • • • • • • • • •
7.50 7.79 • • • • • • • • •
Note:
  1. ◊ Available in 1.60 index only.
  2. • Available in 1.498, 1.56 and 1.60 index.
  3. Ø86 mould is designed to produce Ø80/85mm Progressive lenses when used with gaskets.
  4. Other diameters and specific edge configurations are possible, subject to additional charges.
  5. Moulds with a centred design are also available for the manufacture of finished progressive lenses, subject to additional charges.
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