Our eyesight declines with age and poor lighting or strong contrasts between light and dark can limit the ability of older people to react in everyday life, resulting in a negative impact on the sleep ...

The question of what totally blind people see might seem like a simple one to answer, but things are a lot more nuanced than you'd expect. According to the National Library of Medicine, people with ...

THE Departmental Committee on Sight Tests has recommended a method of classifying colour-blindness by measuring the luminosity of the colour sensations by means of the flicker method of photometry.

Conventional silicon architecture has taken computer vision a long way, but Purdue University researchers are developing an alternative path — taking a cue from nature — that they say is the ...

The colors we perceive and the colors that impact our health are not the same. Without thinking, we tend to make decisions about the color of light and our surroundings based on what we perceive. But ...

Although LEDs are increasingly used in low-energy lighting and displays, consumers sometimes find their light harsh or unpleasant. Findings from a new study point to the need to take age-related ...

Once again, Mexico City gives tourists a reason to take the short trip south of the border for a “destination-only” experience. This time it’s not in search of great food, tequila, Mesoamerican ...