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All rats have poor vision-about 20/600 for most rats and 20/1200 for albino rats. Until recently, rats were thought to be completely colorblind, but studies of rat vision show that they can perceive ultraviolet light and are able to distinguish between different colors of blue and green. Rat vision is very blurry but the position of their eyes on each side of the head allows them a wide field of vision, which is helpful in scanning their environment for possible predators.

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16y ago

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