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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f24_19_24891

©2013 UpToDate ® Print Email 2011 soft lens use by type (United States and worldwide) United States Worldwide Silicone/hydrogel 51 34 Other soft daily wear 17 26 Daily disposable 16 21 Soft extended wear 14 9 Rigid gas permeable 2 8 Orthokeratology 0 2 Numbers are percent of total soft lens market. Data from: Morgan PB, Woods CA, Tranoudis IG, et al. International contact lens prescribing in 2011. Contact lens spectrum 2012. Available at: file://www.clspectrum.com/articleviewer.aspx?articleID=106551