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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 f10_23_10620

©2013 UpToDate ® Print Email 2011 United States soft lens market By lens material Percent Silicone hydrogel 67 Soft hydrogel 24 RGP 8 Hybrid 1 By lens type Percent Soft spherical 54 Soft toric 23 Soft multifocal 11 RGP spherical 5 RGP multifocal 2 Other 5 By disposal schedule Percent Daily 15 Weekly <1 Two weeks 33 One month 46 Three months 3 Annual 2 RGP: rigid gas permeable. Data from: Nichols JJ, et al. Contact Lenses 2011. Contact Lens Spectrum 2012. Available at: file://www.clspectrum.com/articleviewer.aspx?articleID=106550.