Abstract
In a sample of undergraduate students, myopia was associated with higher Math and Total SAT score, and males had higher Math and Total SAT scores than females. The association between myopia and higher Math and Total SAT scores was significant only among males, and the gender differences in Math and Total SAT scores were significant only among allergic participants. There were also significant associations between ethnicity and both myopia and SAT scores, but regression analyses revealed that ethnicity, gender, and myopia each made significant independent contributions to Math SAT scores. The findings provide support for Storfer’s theory of myopia and brain growth.
Highlights
The prevalence of myopia is elevated in intellectually gifted populations compared to the general population [1]
In a sample of undergraduate students, myopia was associated with higher Math and Total Scholastic Aptitude Test (SAT) score, and males had higher Math and Total SAT scores than females
Oneway analysis of variance (ANOVA) with myopia as the grouping factor and Total SAT scores as the dependent variable conducted for males and females separately revealed a significant effect of myopia on Total SAT scores in males (F = 4.327, p = 0.039) but not in females (F = 0.464, p = 0.496)
Summary
The prevalence of myopia is elevated in intellectually gifted populations compared to the general population [1]. Among male Israeli military recruits, those with IQ scores of 128 or higher had nearly double the rate of myopia compared to those with IQ scores between 97 and 111, and nearly triple the rate found in those with IQ scores lower than 97 [13]. This latter finding suggests that there may be a relationship between myopia and intelligence across the range of intellectual ability, not just at the uppermost ranges of intelligence. A study of the relationship between schizotypy and lateral preference included questionnaire items assessing myopia and SAT scores, allowing an examination of the relationship between myopia and intelligence in an undergraduate sample
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