Contact lens

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 in 2012, and they can be worn to correct vision or for cosmetic or therapeutic reasons. In 2023, the worldwide market for contact lenses was estimated at $18.

6 billion, with North America accounting for the largest share, over 38.
18%.
Multiple analysts estimated that the global market for contact lenses would reach $33.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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