Novartis' consumer health unit includes over-the-counter medications such as Benefiber, Excedrin and Theraflu, along with CIBA Vision's contact lenses and eye care products and Animal Health's companion and agricultural animal care products.

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Other important vision tools include bifocals, the monocle, contact lenses, sunglasses and safety glasses.

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The company hopes to make the device available by the end of 2011 at a price point lower than conventional night vision cameras, and says they will work with different lenses to improve long-range photography for the device.

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Yet principle and past suggest that at some point when the gap between actual reality and the vision through the rose-coloured spectacles becomes very large, then the lenses splinter.

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And I discovered that by peering through the hat I could see almost as well as if I were wearing contact lenses better, in fact, although my field of vision was greatly reduced.

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The treatment described by U.S. Patent No. 5, 712, 327 makes it possible to wear contact lenses for long periods of time, and the jury found it had been used in Ciba Vision's Focus Night and Day and O2OPtix products.

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