A public health program instituted and funded by the Government of the Province of New Brunswick and operated by the Provincial Optometric Association screened 10,464 grade 1 children using a modified clinical technique (MCT). This paper reports the prevalence of refractive and sensory-motor anomalies in large samples of this child population, all of whom were 6 years of age.
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M. E. WOODRUFF (1986) studied this question.