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2. List of soft contact lens materials - Wikipedia

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

   The first contact lenses were made of glass, in 1888. Initially the glass was blown but soon lenses were made by being ground to shape. For the first fifty years, glass was the only material used. The lenses were thin, yet reports of injury were rare. In 1938 perspex (polymethylmethacrylate, or PMMA) began to replace glass in contact lens ...

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. 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.

5. 7 secret deals for Amazon Prime members only - AOL

   www.aol.com/lifestyle/7-secret-deals-for-amazon...

   Peakeep Digital Alarm Clock. $10 $20. Save $10 with Prime and coupon. Need a simple bedside alarm clock that's easy to read, both up close and from afar? This one will only run you $10 if you're a ...

6. The 37 Best Documentaries on Amazon Prime - AOL

   www.aol.com/37-best-documentaries-amazon-prime...

   In an attempt to face their childhood fears, the pair investigate the murders and uncover spine-chilling details that will make you want to sleep with the light on. Watch now on amazon prime. 7 ...

7. Shop Amazon fitness tracker deals to save up to 36% on ... - AOL

   www.aol.com/shop-amazon-fitness-tracker-deals...

   For instance, the Apple Watch Series 9 (another one of our favorites) is now 23% off at $329. This Apple smartwatch can track your heart rate, monitor your blood oxygen and show guided fitness ...