Technical note: Apparatus for comparison of progressive addition spectacle lenses

C. W. Fowler*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Apparatus is described for the measurement of lens power distribution across the surface of a progressive addition spectacle lens. Although the method used is different to that specified in BS 2738-7:1996, the measurements are nevertheless comparable, and are considered sufficiently accurate for making basic comparisons of lens type.

Original languageEnglish
Pages (from-to)502-506
Number of pages5
JournalOphthalmic and Physiological Optics
Volume26
Issue number5
DOIs
Publication statusPublished - 1 Sept 2006

Keywords

  • Automatic focimeter
  • Measurement
  • Progressive addition lens

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