Out of sight, out of mind. A new study suggests a common eye condition could be quietly masking one of the only early warning signs of bladder cancer — the 10th leading cause of cancer deaths in the ...

A large U.S. health records study suggests that difficulty seeing blood in urine may put color-blind patients at higher risk.

A retrospective cohort study suggested that people with color blindness may have a higher risk of mortality from bladder ...

A team of scientists believes they have discovered a new color outside the range of human vision. They named the color “olo” and describe it as an “unprecedented,” ultra-saturated, bluish-green. The ...

Primate species with better color vision are not more likely to have red skin or fur coloration, as previously thought. Primate species with better colour vision are not more likely to have red skin ...

A new experiment into color vision has allowed a select group of human subjects to see a new color. Subjects describe the “unprecedented” color as a very saturated teal. Researchers are looking into ...