Contact lenses are small plastic discs that correct visual problems much like glasses do. In 1837, Swiss physician Dr. Fick and optician Edouard Kalt developed the first glass contact lens. Today, the contact lens can change your eye color as well...
Athletes can take a test called ImPACT, or Immediate Post-concussion Assessment and Cognitive Testing, to establish a baseline of cognitive ability, which you can use as a guideline in assessing recovery from a concussion. A concussion is a brain...
The Navy SEALs consist of an elite fighting force created by President John F. Kennedy in 1962, according to the U.S. Navy. The physical fitness standards for the Navy SEALs are high. Besides possessing certain physical attributes to qualify for...
Special effect contact lenses are available as prescription and non-prescription lenses and in a variety of colors and styles. Prescription contact lenses correct a persons's vision; non-prescription lenses do not change a person's vision but the...
Color blindness is the inability to see certain colors and predominantly affects males. Get professional tips and advice on living with and testing for color blindness in this video.
