The most common types of color blindness, or color vision deficiency, are genetic. However, other types may develop due to injuries, eye diseases, health problems, and side effects of treatment.

The science behind the colours of a rainbow is a reminder of the wonders of the original quantum designer In the fifth instalment of his exclusive monthly series for the South China Morning Post, ...

Most individuals with color vision deficiency have had it since birth. However, people can develop it later in life. If it develops due to a health problem, color blindness can worsen over time. Color ...