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2. List of soft contact lens materials - Wikipedia

   en.wikipedia.org/wiki/List_of_soft_contact_lens...

   planned replacement contact lenses. The US Food and Drug Administration (FDA) defines soft contact lenses as: made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses.

3. Contact lens - Wikipedia

   en.wikipedia.org/wiki/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, [1] and they can be worn to correct vision or for cosmetic or therapeutic reasons. [2]

4. Effects of long-term contact lens wear on the cornea - Wikipedia

   en.wikipedia.org/wiki/Effects_of_long-term...

   Because long periods of contact lens wear are correlated with extended hypoxia, the resurgence of cellular growth and epithelial metabolism following contact lens removal (and hence, improved oxygen circulation) leads to an initial, increased resurgence of microcysts containing cellular debris.

5. Fairness to Contact Lens Consumers Act - Wikipedia

   en.wikipedia.org/wiki/Fairness_to_Contact_Lens...

   The Fairness to Contact Lens Consumers Act ( Pub. L. 108–164 (text) (PDF), 117 Stat. 2024, codified at 15 U.S.C. ch. 102 et seq. ), also known as FCLCA, [citation needed] is a United States federal law that aims to improve consumer protection and ocular health for contact lens users.

6. Orthokeratology - Wikipedia

   en.wikipedia.org/wiki/Orthokeratology

   Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce ...

7. Circle contact lens - Wikipedia

   en.wikipedia.org/wiki/Circle_contact_lens

   A circle contact lens, also known as a big eye contact lens and circle lens, is a cosmetic (non-corrective and decorative) contact lens that makes the eye's iris appear larger. It has become a trend throughout East, South and Southeast Asia and is largely produced in Japan, South Korea and China .