Patricia DeLucia has spent decades studying something many of us never think about: judgments about collisions that are crucial for safety. But the roots of her research stretch back to her childhood, ...

Our ability to see with color vision depends on the presence and function of light-sensing pigments in the cones of our eyes. Color blindness, or color vision deficiency, happens when one or more of ...

Age played a part in the decrease in vision testing in adolescents, along with fewer reported tests in primary and school-based settings. The decrease in vision testing as a function of age in primary ...