华盛顿大学眼科教授、研究员杰伊·内茨博士称，“狗看不见红色或绿色，但能看到所有蓝黄色调的颜色。”Humans may have the advantage in color vision， but dogs definitely have us beat in the realm of night vision. This is because dogs' eyes have more light-gathering power than ours， Neitz says.
