American football, known in the United States and Canada simply as football, is a competitive team sport known for mixing strategy with physical play.... equipment. It is a visor that attaches to the helmet
Football helmet
A football helmet is a protective device used primarily in American football and Canadian football, the modern hard plastic version of which was created by Paul Brown.... of a player to protect the eyes. It leaves the mouth exposed and covers the eyes and nose. Only clear eyeshields are allowed in high school football. On the college level
College football
College football is American football played by teams of student athletes fielded by American University, colleges, and United States military academies.... , a clear eyeshield may be used if the player has eye problems. The NFL
National Football League
The National Football League is the Major North American professional sports leagues American football Sports league in the United States. It is an unincorporated 501#501.28c.29.286.29 association controlled by its members.... requires a waiver by the trainer and a doctor to wear tinted or reflective visors.
