Effectiveness of a pinhole method for visual acuity screening

J. I. Loewenstein, Paul Palmberg, J. E. Connett, D. N. Wentworth

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Visual acuity screening was performed in the home in an adult population, using a standardized, retroilluminated chart. A pinhole disk was utilized to retest those subjects who initially failed the screening. All subjects failing the screening with the pinholes, and an equal number of age-matched subjects passing the screening (controls) were asked to have a complete ophthalmologic examination, including a protocol refraction in an eye clinic (clinic examination). Without use of the pinhole disk, 14.4% of subjects failed to read a 20/40 line. Use of the pinholes reduced the failure rate to 6.9%. Fifty-seven percent of those failing and 55% of controls had the clinic examination. Determination of best-corrected visual acuity after protocol refraction in the clinic indicated tat the false-positive rate (the percentage of subjects who failed the screening but had visual acuity of 20/40 or better on the clinic examination) for the screening was 26%, and the false-negative rate (the percentage of subjects who passed the screening but had visual acuity of worse than 20/40 on the clinic examination) was 1.5%. Use of a pinhole disk is highly effective for visual acuity screening, reducing the false-positive rate by more than half.

Original languageEnglish
Pages (from-to)222-223
Number of pages2
JournalArchives of Ophthalmology
Volume103
Issue number2
StatePublished - Jan 1 1985

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Visual Acuity
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ASJC Scopus subject areas

  • Ophthalmology

Cite this

Loewenstein, J. I., Palmberg, P., Connett, J. E., & Wentworth, D. N. (1985). Effectiveness of a pinhole method for visual acuity screening. Archives of Ophthalmology, 103(2), 222-223.

Effectiveness of a pinhole method for visual acuity screening. / Loewenstein, J. I.; Palmberg, Paul; Connett, J. E.; Wentworth, D. N.

In: Archives of Ophthalmology, Vol. 103, No. 2, 01.01.1985, p. 222-223.

Research output: Contribution to journalArticle

Loewenstein, JI, Palmberg, P, Connett, JE & Wentworth, DN 1985, 'Effectiveness of a pinhole method for visual acuity screening', Archives of Ophthalmology, vol. 103, no. 2, pp. 222-223.
Loewenstein JI, Palmberg P, Connett JE, Wentworth DN. Effectiveness of a pinhole method for visual acuity screening. Archives of Ophthalmology. 1985 Jan 1;103(2):222-223.
Loewenstein, J. I. ; Palmberg, Paul ; Connett, J. E. ; Wentworth, D. N. / Effectiveness of a pinhole method for visual acuity screening. In: Archives of Ophthalmology. 1985 ; Vol. 103, No. 2. pp. 222-223.
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