Euclid Systems Corporation is a world leader of Myopia Management and a leading manufacturer of advanced Orthokeratology lens products. Based in Virginia, Euclid is the maker of the popular Emerald™ brand Ortho-K lens which has FDA approval in the U.S.A. as well as regulatory approval
in numerous countries throughout Asia and Europe. Multiple clinical studies worldwide by prestigious independent researchers have proven the effectiveness of Orthokeratology, and specifically the Emerald™ lens on slowing the progression of myopia. The Emerald Ortho-K procedure has a unique, empirically fit lens design---no trial lenses required. With a clinically proven first fit success rate of 85% and higher, more eye care practitioners today are choosing Emerald as their Ortho-K lens of choice.