Most of us like to think we’ve got vision as sharp as an eagle’s. But honestly, how sure are we? This test is a simple way to check that. You’ll see 23 colored images with hidden numbers, letters, ...

Do your eyes work? You may think they do, but the ultimate vision test isn't the one at the optometrist's office*. It's these five BuzzFeed quizzes. Take them to see if you have perfect vision or ...

Are you one of the 300 million people affected by color blindness? Take this simple, doctor-approved test to determine your ...

First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re not alone. A new ...

Tritanopia is a type of color vision deficiency that may make it hard for someone to distinguish between blue and green, pink and yellow, and red and purple. Color vision deficiency, also called color ...

Daltonism is a specific type of red-green color vision deficiency, also known as color blindness. People with red-green color vision deficiency may confuse colors that contain red or green elements.

You may know someone who can’t tell the difference between specific colors — and there is a scientific reason it could be happening. The condition is known as color blindness. To share a better ...

Researchers at the Department of Psychiatry and Psychology, Center for Behavioral Health, Neurological Institute at the Cleveland Clinic in Ohio have authored a case report on the positive effects of ...