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Prospective Comparison of Convergence Insufficiency and Normal Binocular Children on CIRS Symptom Surveys.

BORSTING, ERIC OD, MS, FAAO; ROUSE, MICHAEL W. OD, MSEd, FAAO; DE LAND, PAUL N. PhD; THE CONVERGENCE INSUFFICIENCY AND READING STUDY (CIRS) GROUP
Optometry & Vision Science: April 1999
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colon; Purpose. To test the validity-related evidence of a child and a parent symptom survey developed by the Convergence Insufficiency and Reading Study (CIRS) group. Methods. A case comparison method was used to measure differences in symptoms between 14 school-aged children (ages 8 to 13 years) with Convergence Insufficiency (Cl) and 14 children with normal binocular vision (NBV). Results. A pooled t-test indicated that Cl children and their parents scored higher than the NBV children and their parents on the child's survey (p<0.001) and parent's survey (p<0.001), respectively. Cl children also scored significantly higher (p<0.03) on the Conners' Rating Scale for Parents. Conclusions. The results suggest that the CIRS symptom survey is a valid instrument for differentiating Cl children from those with normal binocular vision. Additionally, children in this age group were able to respond to a broad range of symptom questions associated with CL.

(C) 1999 American Academy of Optometry