Reliability, normative data, and the effect of age-related macular disease on the Eger Macular Stressometer photostress recovery time

Hannah E. Bartlett*, Leon N. Davies, Frank Eperjesi

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Purpose: To assess repeatability and reproducibility, to determine normative data, and to investigate the effect of age-related macular disease, compared with normals, on photostress recovery time measured using the Eger Macular Stressometer (EMS). Method: The study population comprised 49 healthy eyes of 49 participants. Four EMS measurements were taken in two sessions separated by 1 h by two practitioners, with reversal of order in the second session. EMS readings were also taken from 17 age-related maculopathy (ARM), and 12 age-related macular degeneration (AMD), affected eyes. Results: EMS readings are repeatable to within ± 7 s. There is a statistically significant difference between controls and ARM affected eyes (t = 2.169, p = 0.045), and AMD affected eyes (t = 2.817, p = 0.016). The EMS is highly specific, and demonstrates sensitivity of 29% for ARM, and 50% for AMD. Conclusions: The EMS may be a useful screening test for ARM, however, direct illumination of the macula of greater intensity and longer duration may yield less variable results. © 2004 The College of Optometrists.

Original languageEnglish
Pages (from-to)594-599
Number of pages6
JournalOphthalmic and Physiological Optics
Volume24
Issue number6
DOIs
Publication statusPublished - Nov 2004

Bibliographical note

Meeting of the American-Academy-of-Optometry, HI, 2004. © 2004 The College of Optometrists. Published by Wiley-Blackwell.

Keywords

  • age-related macular disease
  • Eger Macular Stressometer
  • glare recovery
  • photostress recovery time

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