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2. List of soft contact lens materials - Wikipedia

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

   O 2 Optix, Air Optix for Astigmatism, Air Optix Aqua, Air Optix Aqua Multifocal, Air Optix Colors Galyfilcon A: 1: 47: 86 [21] 0.43: 0.07: ... Alcon Precision1 for ...

3. Alcon - Wikipedia

   en.wikipedia.org/wiki/Alcon

   Alcon offices in Johns Creek, Georgia. Alcon Inc. ( German: Alcon AG) is a Swiss-American pharmaceutical and medical device company specializing in eye care products. It has a paper headquarters in Geneva, Switzerland but its operational headquarters are in Fort Worth, Texas, United States, where it employs about 4,500 people. [2]

4. Dispersion (optics) - Wikipedia

   en.wikipedia.org/wiki/Dispersion_(optics)

   A compact fluorescent lamp seen through an Amici prism. In optics and in wave propagation in general, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency; [ 1] sometimes the term chromatic dispersion is used for specificity to optics in particular. A medium having this common property may be termed a ...

5. List of Crayola crayon colors - Wikipedia

   en.wikipedia.org/wiki/List_of_Crayola_crayon_colors

   In 2019, an updated version was released under its original name of Metallic Crayons, adding eight more metallic colors for a total of 24. The original 16 colors are included in the special 152-count Ultimate Crayon Collection pack alongside 120 standard and 16 Crayons with Glitter. Four of the colors are included in the regular 96-count crayon ...

6. If you can't stay indoors during this U.S. heat wave, here ...

   www.aol.com/news/cant-stay-indoors-during-u...

   The temperature was already above 80 degrees and rising. The work of maintaining the public water supply in a heat wave is crucial. But it needs to be done as safely as possible. That means ...

7. List of free-to-air channels at Astra 28.2°E (Ireland and the ...

   en.wikipedia.org/wiki/List_of_free-to-air...

   This is a list of the free-to-air channels that are currently available via satellite from SES Astra satellites ( Astra 2E / 2F / 2G) at orbital position 28.2 °E, serving Ireland and the United Kingdom. Sky and Freesat use these satellites to deliver their channels. If one was to change providers between Sky and Freesat, one would not require ...