Instead of 20/20 vision, dogs have the equivalent range of 20/40 to 20/50, explains Jaycie Reisberg, DVM, DACVO. That means that what people clearly see at 20 feet, a dog sees as if he was standing 40 or 50 feet away. However, dogs are much more sensitive to detecting motion.
Source: Daily Paws, September 5, 2022. Link. Canines are dichromatic, having two types of cones in their eyes making everything in a spectrum of blue and yellow. Humans with three cones are trichromatic which adds red and green to the color spectrums seen.
INSIGHTS: For veterinary team members or retailers doing training classes or visiting schools, this information is easy and informative to share.