History of European medieval dance is fragmented and limited, but is believed that simple folk dances were widespread among common and wealthy classes.
Peripheral vision.
Because of the need to maintain strict head position while dancing, doctors often prescribe use of dance for those patients that need to develop their peripheral vision.
Wide Eyes
Dancers have better than average peripheral vision. Head angles are prescribed by the dance, so dancers have to use their eyes themselves if they want to look to the side, without turning their heads.
