Color blindness is caused by problems in the color-detecting nerve cells located in the back of the eye, called cones. As a result, some people have trouble telling the difference between red and ...

The viewfinders made by SeeCoast Manufacturing are equipped with colorblind lenses from EnChroma, which helps those with ...

(WVLT) - Officials with the National Park Service said a specialized viewfinder that helps colorblind visitors ... more ...