Validity of the VERA visual skills screening.

نویسندگان

  • Michael Gallaway
  • G Lynn Mitchell
چکیده

PURPOSE Most school vision screenings test only visual acuity. There is a need for a valid, easily administered test that screens for a wider variety of learning-related vision problems. Visual Efficiency RAting (VERA) is a software program designed for schools to detect both routine vision problems and visual skill problems. The purpose of this study was to compare the VERA visual skills screening with the optometric assessment of binocular, accommodative, and ocular motor skills. METHODS One hundred fifty-four children from grades 3 through 5 were evaluated using the VERA visual skills screening, a clinical battery of visual skills testing, the Convergence Insufficiency Symptom Survey, and 2 reading tests. RESULTS The sensitivity of VERA in detecting visual skills problems was 45%, and the specificity was 83%. Sensitivity increased to 64% and specificity to 100% in smaller groups of children when overlays of symptoms, classroom behaviors, and reading skills were included. CONCLUSIONS VERA has fairly good sensitivity and very good specificity in detecting visual skills problems. Given that the majority of visual skill deficits currently go undetected, VERA can be considered a reasonably effective method of in-school visual skills screening.

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عنوان ژورنال:
  • Optometry

دوره 81 11  شماره 

صفحات  -

تاریخ انتشار 2010