Preschool vision screening: A prospective comparative evaluation

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چکیده

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Preschool vision screening.

Although a good case for preschool screening for vision defects can be made there is very little evidence that existing programmes are effective in practice. A comparative trial of three different methods of preschool vision screening is described. Some 7000 children initially aged 5 months (younger cohorts) and 30 months (older cohorts) in three matched areas entered the trial during 1987. Dur...

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TITLE: Preschool Vision Screening

Canada. HTIS responses are based on a limited literature search and are not comprehensive, systematic reviews. The intent is to provide the best evidence on the topic that could be identified within the time allowed. HTIS responses should be considered along with other types of information and health care considerations. The information included in this response is not intended to replace profe...

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Preschool vision screening.

OBJECTIVES To undertake a systematic review of the effectiveness of preschool vision screening. To provide evidence on which decisions about the future provision of this service can be made. To indicate areas for further research. STUDY SELECTION The Centre for Reviews and Dissemination guidelines for systematic reviews were used. The research questions were formulated using the Wilson and Ju...

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Vision Screening in Preschool Children

Results: All studies that have been published to date on the efficacy of preschool visual screening suffer from methodological flaws. The avail able data suggest a benefit from screening, though this has not been proven. Model calculations reveal that the positive predictive value of screening tests performed in isolation is inadequate. The authors of the two national reports applied different ...

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An audit of preschool vision screening.

An audit was carried out to clarify the dispute surrounding the vision screening test at 3.5 years. The uptake was 53.5%, sensitivity 77%, specificity 96%, and positive predictive value 50%. In particular the uptake was poor and the test needed a clear policy for the future.

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ژورنال

عنوان ژورنال: Eye

سال: 1996

ISSN: 0950-222X,1476-5454

DOI: 10.1038/eye.1996.166