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  2. 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, and they can be worn to correct vision or for cosmetic or therapeutic reasons.

  3. List of soft contact lens materials - Wikipedia

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

    Soft contact lenses are one of several types of contact lenses for corrective vision eyewear as prescribed by optometrists and ophthalmologists.

  4. 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 ...

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

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

    Long-term use of PMMA or thick hydrogel contact lenses have been found to cause corneal warpage (shape distortion). There is some evidence to show that rigid gas permeable contact lenses are capable of slowing myopic progression after long-term wear.

  6. Acuvue - Wikipedia

    en.wikipedia.org/wiki/Acuvue

    Acuvue (from "Accurate view") is a brand of disposable contact lenses made in Jacksonville Florida and Limerick-based Vistakon, a subsidiary of Johnson & Johnson (J&J).

  7. Oxygen permeability - Wikipedia

    en.wikipedia.org/wiki/Oxygen_permeability

    Oxygen permeability ( OP) is a parameter of a contact lens that expresses the ability of the lens to let oxygen reach the eye by diffusion. In soft contact lenses, it is dependent on the thickness of the lens and the material of the lens, especially concerning the water content.

  8. Contact lithography - Wikipedia

    en.wikipedia.org/wiki/Contact_lithography

    Recently, two developments have given contact lithography potential for comeback in semiconductor lithography. First, surface plasmon resonance enhancements including the use of silver films as lenses have been demonstrated to give resolution of less than 50 and even 22 nm using wavelengths of 365 and 436 nm.

  9. 1-800 Contacts - Wikipedia

    en.wikipedia.org/wiki/1-800_Contacts

    1-800 Contacts Inc. is an American contact lens retailer based in Draper, Utah. The brands that 1-800 Contacts use includes Johnson & Johnson Vision Care, Alcon, Bausch & Lomb and CooperVision. The company was founded as the industry's first way to buy contacts online and has since expanded to provide online prescription renewals, glasses, lens ...

  10. 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 .

  11. Ophthalmic drug administration - Wikipedia

    en.wikipedia.org/wiki/Ophthalmic_drug_administration

    However, these investigations will not only be beneficial for contact lenses as drug delivery devices, but it will also have positive implications on contact lens wearers who use lenses for vision correction and appearance.