Originally setting out to design safety glasses for use during laser surgeries, materials scientist Don McPherson instead designed a lens that enables color-blind wearers to see the full light ...

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

Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...