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 ...

Colorblindness may be doing more than making traffic lights confusing — it could also be hiding a life-threatening warning sign. Researchers analyzing millions of medical records found that people ...

PHOENIX — Around half a million students in Arizona’s public and charter schools are receiving free vision screenings thanks to a new state law that took effect this year. These screenings can help ...