The symptomatic Pulfrich phenomenon can be successfully managed with a coloured lens in front of the good eye - a long-term follow-up study

Gordon Heron, Gordon N. Dutton

Research output: Contribution to journalArticle

Abstract

Many visual symptoms originating from a spontaneous Pulfrich phenomenon can be alleviated by the provision of a tinted lens worn in front of the least affected eye. Here, we report on the long-term outcome of four patients who have been provided with a uniocular tinted spectacle or contact lens. The case notes of four cases were reviewed. The review period was at least 5 years in all four cases. In all cases, visual symptoms and perceptual difficulties occurring from the spontaneous Pulfrich effect were completely eliminated over a period of many years. In one case, the relief has been sustained over a 20-year period. A uniocular tinted lens, or contact lens, provides immediate and lasting relief from the visual difficulties caused by the visual delay underlying the spontaneous Pulfrich effect.

Original languageEnglish
JournalEye
DOIs
Publication statusPublished - 1 Jun 2006

Keywords

  • tinted lens
  • Pulfrich phenomenon
  • vision science

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