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2. List of soft contact lens materials - Wikipedia

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

   Types. The FDA classifies soft contact lenses into four groups for the US market. They are also subcategorized into 1st generation, 2nd generation, and 3rd generation lens materials. [6] These 'water-loving' soft contact lens materials are categorized as "Conventional Hydrophilic Material Groups ("-filcon"): Group. Water Content.

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

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

   Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.

4. 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 ...

5. Amazon's No. 1 best-selling pillows are 20% off: 'It ... - AOL

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   Be sure to select the coupon on the product page to get 20% off your purchase at check out. Amazon. $69 $129 Save $60. This is an outrageous price for AirPods! In fact, it's a record-low price, so ...

6. 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. Because of this dependence on thickness, transmissibility level ...

7. Shoppers in their 60s say their secret to looking younger is ...

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   It’s no wonder that multitudes of Amazon shoppers are fans of the fast-acting collagen cream. “This moisturizer absorbs well and makes my skin feel young and healthy,” said one nearly 60 ...