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D Y Teller, J L Allen, D M Regal, D L Mayer; Astigmatism and acuity in two primate infants.. Invest. Ophthalmol. Vis. Sci. 1978;17(4):344-349.
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The development of grating acuity was followed in two astigmatic primate infants, one a human being and one a pigtail macaque monkey. Both infants showed variations of acuity with grating orientation, predictable from the orientation and type of astigmatism present. Optical correction of the human infant during testing virtually eliminated the variation of acuity with orientation, suggesting that a neurally based meridional amblyopia had not yet been established.
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