Abstract
The development of visual acuity and stereopsis was studied in 321 boys and 340 girls aged between 5 and 10 years. Visual acuity was assessed by the E test and a modified version of the STYCAR test, stereo acuity by the Lang-Stereo test [17].
Both vision tests showed an increase in the median visual acuity between the ages of 5 and 10 years. The E test indicated an increase from 1.2 between 5 and 6 years to 1.5–1.7 between 7 and 10 years. The values obtained with the STYCAR test were 0.6–1.3 higher, depending on the test rating used. Visual acuity norms between 5 and 10 years are presented as empirical centile curves.
No significant differences were observed in visual acuity between the left and right eyes, nor between the sexes. The right eye was found to be the leading eye in 54.8% of the boys and 54.5% of the girls (P<0.001).
The Lang-Stereo test was passed by 87.9%–94.3% of all children, and there were no significant differences with respect to age and sex. Children who failed the test had a significantly lower visual acuity than those who passed it. In the former group a significant interocular difference in visual acuity was present (P<0.01).
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This work was supported by the Swiss National Science Foundation No. 3988.-1.84
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Schmid, M., Largo, R.H. Visual acuity and stereopsis between the ages of 5 and 10 years. Eur J Pediatr 145, 475–479 (1986). https://doi.org/10.1007/BF02429046
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DOI: https://doi.org/10.1007/BF02429046