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Some clinics do not have 6-metre eye lanes available, and either a half-size chart subtending the same angles at 3 metres (9.8 ft), or a reversed chart projected and viewed by a mirror is used to achieve the correct sized letters. In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres.
For 6/6 = 1.0 acuity, the size of a letter on the Snellen chart or Landolt C chart is a visual angle of 5 arc minutes (1 arc min = 1/60 of a degree), which is a 43 point font at 20 feet. [10] By the design of a typical optotype (like a Snellen E or a Landolt C), the critical gap that needs to be resolved is 1/5 this value, i.e., 1 arc min.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
FIBA uses a marginally larger radius of 1.25 m (4 ft 1.2 in). Starting with the 2023–24 season, NCAA women's basketball reduced the size of the no-charge arc to a radius of 9 inches (22.86 cm)—in other words, the size of the basket. The no charge zone arc rule first appeared at any level of basketball in the NBA in the 1997–98 season. [8]
Jeanne d'Arc de Dakar, also known as simply JA, is a Senegalese basketball team based in Dakar. It is part of the ASC Jeanne d'Arc multi-sports club which is most known for its football section. They have won seven Nationale 1 championships, the most recent being in 2002.
Called Arc Sport, it is priced at $258,000 and comes about two years after the company, which declined to give its valuation, launched a $300,000 premium speedboat, Arc One. Arc Sport is 23-feet ...
Salomon SAS is a French sports equipment manufacturing company headquartered in Annecy, France. It was founded in 1947 by François Salomon in the heart of the French Alps and is a major brand in outdoor sports equipment. [2] [3] Salomon is owned by Finnish retail conglomerate Amer Sports, along with Wilson, Atomic, Precor, and Arc'teryx, among ...