If so, you could be color blind ... Eye professionals have lots of ways to check for the condition. The most common tests use colored tablets or diagrams. In some schools, nurses test children ...

A scotoma is a blind spot in your vision ... You will need prompt surgery to prevent blindness in the eye. Total color blindness is present from birth and is associated with a central scotoma.

The most common way to diagnose color blindness is through a color plate test. An eye doctor — an ophthalmologist — provides a circle consisting of colored dots. Most dots will be different ...

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For example, most people have three types of cones—light receptors in the eye that are optimized ... leading to altered color vision. Some people are color-blind. Others may have color superpowers.

The result was a sort of peacock blue-greenish hue with an intensity outside the range of colors normally seen by the human eye ... for people who are color-blind. The researchers published ...