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Thesis

Assessing the effectiveness of a community based screening program

1 May 2005

Abstract

The purpose of this study is to analyze the community-based screening process that is currently used by the National Children's Vision Foundation (NCVF) and compare it to other existing screening programs. Retrospective data describing the results of the community-based school vision screening was collected from an on site-visit, interview, and e-mail correspondence with the NCVF screening coordinator. The screening battery used is a modified NYSOA. Because it is just a modified NYSOA, its efficacy in detecting significant refractive and binocular vision conditions should be the same as the NYSOA. An important aspect of this particular screening was found to be the follow up process, which included surveys that were to be completed by teachers and eye care professionals post screening. The teacher follow-up was found to be 78%. From this we know that 35.7% of the children referred received glasses and or vision therapy. The NCVF screening is potentially very effective and valid and further study of its validity would be beneficial in further improving the vision screening process and delineating which screening protocols are most effective in terms of accuracy, cost, and effect upon school performance.


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