Only the rarest, most severe type of colorblindness makes everything look white, black, and gray. Here's what this number 16 looks like to someone with total colorblindness.

Cataracts can cause blurry vision, sensitivity to lights, and less ability to see vibrant colors, or at night. Learn more about a person's vision with cataracts and after surgery.

People with glaucoma may experience changes to their vision. These can include blurriness, blind spots, and tunnel vision. Learn more here.

Did you know that people see the world differently than you do? Here's what it looks like to be color blind.

Color blindness means your eye doesn't see color the way it should. Your eyes see differences in the light that comes in. It’s a bit like the way we hear sounds as being low or high. This is ...

While studies show that Color Blind glasses are usually ineffective, so users do report a small but noticeable difference in their color perception.

Despite its bulk and camouflaged exterior, the M1 Abrams Tank has a bright white interior and surprisingly cramped crew ...

In this article, we will explore what causes color blindness, the different types of color blindness, and what colorblind people see.

Pink eye is usually known for the dark pink to red color the inflammation and irritation causes in the white part of your eye. Different causes of pink eye, like a virus or bacteria, can also ...

In “The Country of the Blind,” Andrew Leland explores the history, the culture and the experiences of blind people.

While studies show that Color Blind glasses are usually ineffective, so users do report a small but noticeable difference in their color perception.