About Euclid

Established in 1995, Euclid Systems Corporation has grown to become 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 the globe. 

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.

In the world of eye care, Euclid is synonymous with quality.

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