References Progressive Memories

  1. Colin M. Sullivan and Colin W. Fowler: Progressive addition and variable focus lenses: A review. Ophthal. Physiol. Opt. , Vol.8, 1988

  2. Bernard Maitenaz: De Franklin à Varilux…. . Points de Vue, no.60, spring 2009

  3. Jean-Charles Le Roux: L’épopée Varilux, éditions Perrin, 2007

  4. Bernard Maitenaz: Four Steps that led to Varilux. Am. J. Optom., Vol. 43, 1966

  5. David Volk and Joseph W. Weinberg: The Omnifocal Lens for Presbyopia. Arch. Ophthalmol., Vol.68, 1962

  6. Whitney’s AO Lens Designers Page,

  7. Günther Guilino and Rudolf Barth: Neue progressive Flächen. Deutsche Optikerzeitung, no. 11,1980

  8. Günther Guilino and Werner Köppen: Progressiv R: The new progressive lens from Rodenstock.
    The Ophthalmic Optician, March 1982 (available on this site)

  9. Bernd J.L. Kratzer and Gerd Fürter: Gradal HS, eine neue Konzeption bei Gleitsichtgläsern.
    WVAO Sonderdruck, Vol.35, 1983

  10. Rob Linn: Breaking the Mould: the history of Sola Optical. Adelaide S.A., 2000

  11. Hélène Amidieu: Influence des verres progressifs sur le marché de la correction de la presbytie. Points de vue, no.60, spring 2009

  12. Darryl Meister: Optics of Progressive Lenses.

  13. Werner Köppen: Varilux Multi-Design, increased comfort for the wearer, more reliability for the ECP. Deutsche Optikerzeitung, no.9, 1988 (available on this site)

  14. Jean-Louis Mercier, Christian Miège, Gilles Le Saux, Jean-Pierre Chauveau : The design loop for progressive lenses. Points de vue, no. 34, spring 1996 (available on this site )

  15. Christian Miège and Claude Pedrono: Varilux Comfort: The physiological concepts on which this new design is based. Optometriste, vol.15, no.5, 1993 and Optical Prism, oct.1993

  16. Werner Köppen: Varilux Comfort. Deutsche Optikerzeitung, no.9, 1993 (available on this site)

  17. Claire Feuilly: 300 Million Varilux sold since 1959. Points de vue, no. 49, autumn 2003

  18. Rodenstock: 100 Jahre für besseres Sehen, September 1977

  19. Dick Whitney: AO History Chronology,

  20. Werner Köppen: A view of the development of the global ophthalmic lens market. Deutsche Optikerzeitung, no.7, 2009 (available on this site)