Cross-sectional study finds no association between convergence insufficiency and academic performance in schoolchildren, suggesting eye teaming issues do not directly impair overall grades.
Schoolchildren (735) between the ages of 7 and 14 were examined for convergence ability. Nine percent had an objective near point of convergence of more than 10 cm and 10% had a subjective near point of convergence of more than 10 cm. The recovery point was greater than 15 cm for 9% of the subjects when measured objectively and 12% subjectively. The sample was analyzed with regard to age, sex, and IQ. There was no significant difference between children who showed convergence insufficiency and those who did not with regard to school results in their mother tongue and in their grade point average.
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Letourneau et al. (1979) studied this question.
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