Color vision deficiency or loss has multiple possible ... What is the difference between monochromatic and dichromatic color blindness? A person with monochromatic color blindness does not see ...

We know that dogs have dichromatic color vision – they can see two primary colors: yellow and blue – similar to red-green colorblind humans. However, all research related to canine color ...

Dogs only have two color-sensing cones in their eyes, giving them "dichromatic vision." But what about cats? Start the day smarter. Get all the news you need in your inbox each morning.