Myopia is one of the most common visual disorders worldwide. It has been estimated that the global prevalence of myopia will increase from 33.9% in 2020 to 49.8% in 2050, with the prevalence of high myopia increasing from 5.2% to 9.8%.1…
The STEN (or Sten gun) is a British submachine gun chambered in 9×19mm which was used extensively by British and Commonwealth forces throughout World War II and during the Korean War.