Color vision deficiency is linked to worse survival in bladder cancer

https://www.news-medical.net/news/20260128/Color-vision-deficiency-is-linked-to-worse-survival-in-bladder-cancer.aspx 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 deficiency, highlighting overlooked risks in symptom recognition and screening.