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2. Contact lens - Wikipedia

   en.wikipedia.org/wiki/Contact_lens

   Some colored contact lenses completely cover the iris, thus dramatically changing eye color. Other colored contact lenses merely tint the iris, highlighting its natural color. A new trend in Japan, South Korea and China is the circle contact lens, which extend the appearance of the iris onto the sclera by having a dark tinted area all around ...

3. List of soft contact lens materials - Wikipedia

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

   In the US market, soft contact lenses are approved by the US Food and Drug Administration. [2] The American Optometric Association published a contact lens comparison chart called Advantages and Disadvantages of Various Types of Contact Lenses on the differences between them. [3] These include: soft contact lenses; rigid gas-permeable (RGP ...

4. CooperVision - Wikipedia

   en.wikipedia.org/wiki/CooperVision

   CooperVision develops, manufactures, and markets a range of contact lenses. CooperVision produces both spherical contact lenses and specialty lens products. [17] America's Best, Walmart, Costco, Visionworks, Pearle Vision, Target Corporation and Vision Source private label contacts are manufactured by CooperVision. [citation needed]

5. 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. . Other structural changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris), corneal neovascularization, as well as the emergence of polymegethism in the corneal endoth

6. Color blind glasses - Wikipedia

   en.wikipedia.org/wiki/Color_blind_glasses

   The lenses may be eyeglasses, contact lenses or handheld lenses, but are divided in this article according to their working principle. Most lenses are intended for red-green color blindness , though some lenses are also marketed for blue-yellow color blindness.

7. Is Walmart's self-checkout changing? Here's what to know - AOL

   www.aol.com/news/walmarts-self-checkout-changing...

   Whether you've got sundries or other essentials to pick up at Walmart, it's possible you may discover that the self-checkout lanes in your local store are closed or open only to Walmart+ members ...