Although many people equate color vision deficiency with color blindness, true color blindness actually describes someone who ...

Human color vision is NOT a permanent ability. People born with normal color vision can have their color vision degrade over time due to a variety of causes. These can include alcohol use; medication ...

Also referred to as eye tattooing, the process permanently changes the cornea from clear to opaque and covers over the ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Experiments in Color Vision The eye has recently been found to be an instrument of wonderful and unsuspected versatility. It can perceive full color in images which, according to classical ...

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Given below is an online color blind test to know whether you suffer from color vision deficiency or not. This Color vision testing is based on the Ishihara Test for color blindness. Color blindness ...

But what if we made this game a little bit more difficult by presenting distinct color combinations and various shades? Do you think you would still be able to tell them apart? In each question ...

Whether you're wearing brown, blue or green lenses, this is how your sunglasses' color affects their performance.

Of course, if you have starlight, you can just use a very sensitive camera, but you still probably won’t get color. You can also build your own night vision gear without too much trouble.