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S Sokol, V Dobson; Pattern reversal visually evoked potentials in infants.. Invest. Ophthalmol. Vis. Sci. 1976;15(1):58-62.
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Visually evoked potentials (VEP) were recorded from infants two to six months of age using a checkerboard pattern reversal stimulus. By six months, infants produced the largest amplitude VEP to checks subtending visual angles of 7.5 or 15 minutes of arc, as do adults with 20/20 acuity. This finding indicates that by six months an infant's sensory capacity for a visual acuity of 20/20 is established.
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