Contact lenses are thin, curved lenses placed directly on the surface of the eye. They are designed to correct vision problems, providing an alternative to traditional eyeglasses. Contact lenses are used to correct various vision issues, including nearsightedness, farsightedness, astigmatism, and presbyopia. They are made from different materials, such as soft plastic and gas-permeabl... https://www.futuredatastats.com/contact-lenses-market