Contact lens | 合法醫療器材資訊網

LeonardodaVinciisfrequentlycreditedwithintroducingtheideaofcontactlensesinhis1508Codexoftheeye,ManualD,whereinhedescribedamethodof ...

Lenses placed on the eyes surface

Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over 150 million people worldwide,[1] and they can be worn to correct vision or for cosmetic or therapeutic reasons.[2] In 2010, the worldwide market for contact lenses was estimated at $6.1 billion, while the US soft lens market was estimated at $2.1 billion.[3] Multiple analysts estimated that the global market for contact lenses would reach $11.7 billion by 2015.[3] As of 2010[update], the avera...