A large electronic health record study suggests that difficulty recognizing painless blood in urine may delay diagnosis and worsen long-term survival for bladder cancer patients with color vision ...

According to researchers at Stanford Medicine, differences in vision are rarely included in overall patient assessments, even though they may influence when a person reacts to symptoms and contacts ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...