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 ...

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. This marks the first story ...

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 ...

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 ...

The Ishihara Color Test is a widely used screening tool for color vision deficiency, especially red-green color blindness. It is striking how easily this difference can go unnoticed. A child learns ...