DR. JEFFRIES’ treatise 1 deals with a subject which is interesting mainly from a technical point of view, most immediately concerning members of the medical profession and the administrators of ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...

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 ...

Color vision deficiency (CVD) encompasses a spectrum of inherited and acquired conditions affecting the ability to discriminate colours, most notably in the red-green domain. Among these, anomalous ...

Most individuals with color vision deficiency have had it since birth. However, people can develop it later in life. If it develops due to a health problem, color blindness can worsen over time. Color ...

There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...