April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Flip Chart Visual Acuity Screening Compared To The Plusoptix S09 Photoscreener Performed By A Screener
Author Affiliations & Notes
  • David I. Silbert
    Vision Science Department, Family Eye Group, Lancaster, Pennsylvania
  • Noelle S. Matta
    Vision Science Department, Family Eye Group, Lancaster, Pennsylvania
  • Footnotes
    Commercial Relationships  David I. Silbert, None; Noelle S. Matta, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 2517. doi:
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      David I. Silbert, Noelle S. Matta; Flip Chart Visual Acuity Screening Compared To The Plusoptix S09 Photoscreener Performed By A Screener. Invest. Ophthalmol. Vis. Sci. 2011;52(14):2517.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To determine the reliability of lay visual acuity screening compared to the plusoptiX S09 photoscreener for the detection of amblyopia risk factors.

Methods: : One lay screener received basic training in how to use a 10 foot Patti Pics single crowded chart with patched acuity, and the plusoptiX S09 photoscreener. Lay screening was done on children age 3 to10. All children had the lay screening done immediately before a pediatric ophthalmology examination. Children were considered to be a refer if their vision was 20/40 or worse in either eye.

Results: : 72 children were screened in total ranging from age 3 to 10 years old (average 5 years). The flip chart was found to have a sensitivity of 83%, specificity of 47%, false positive rate of 53% and false negative rate of 17%. The plusoptiX S09 was found to have a sensitivity of 92%, specificity of 88%, false positive rate of 11% and false negative rate of 8%.

Conclusions: : : Photoscreening was found to perform better than flip chart acuity screening by a lay screener in the same cohort of children. The plusoptiX S09 photoscreener operated by a lay screener is an effective method to screening for amblyopia risk factors.

Keywords: amblyopia • strabismus • refraction 
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