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  2. List of soft contact lens materials - Wikipedia

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

    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. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your ...

  3. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    A pair of contact lenses, positioned with the concave side facing upward. Putting contacts in and taking them out. One-day disposable contact lenses with blue handling tint in blister-pack packaging. Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used ...

  4. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    Refractive errors are corrected with eyeglasses, contact lenses, or surgery. [1] Eyeglasses are the easiest and safest method of correction. [1] Contact lenses can provide a wider field of vision; however they are associated with a risk of infection. [1] Refractive surgery permanently changes the shape of the cornea. [1]

  5. Orthokeratology - Wikipedia

    en.wikipedia.org/wiki/Orthokeratology

    Orthokeratology lens. 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 refractive errors such as myopia ...

  6. Buying contact lenses - Tokyo Forum - Tripadvisor

    www.tripadvisor.com/ShowTopic-g298184-i861-k...

    40 reviews. 26 helpful votes. 4. Re: Buying contact lenses. 9 years ago. If you had five weeks of stay, might ensure better to bring it to buy in their own country. One Day contact contains 30 days in one box. If I was half a year of stay, is better to buy in Japan, I think that's convenient. Report inappropriate content.

  7. Contacts in hand baggage - Air Travel Forum - Tripadvisor

    www.tripadvisor.com/ShowTopic-g1-i10702-k...

    The chance that you'd be referred to secondary inspection for a blister pack of contact lenses is minimal. As well, 5 to 7 mL of liquid in each blister would be a massive amount of fluid - the case for my gas permeable lenses holds just 2 or 3 mL in each compartment. 'I will be forced to put them in my checked baggage, where blisters can be ...

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