Experimental assessment of visual acuity decline in infants due to optical blur, suggesting visual development insights.
The effect of induced optical blur on the visual acuity of 3− to 7‐month‐old infants was assessed using a preferential looking technique. Monocular visual acuities were measured with lenses of plano to +4.00 D placed before the infant's eye. Our results show that 1 to 2 D of induced blur is sufficient to cause a significant decrease in visual acuity in some infants.
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Boltz et al. (1983) studied this question.
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