Trading up in a downturn.

The article analyzes the trends patients to opt for silicone hydrogel daily disposable contact lenses. GfK data covering 2013 patient contact lens fittings shows changes in the levels of patients switching both from traditional hydrogel lenses to silicone hydrogel (SiH) lenses and also from reusables into daily lenses, both of which would tend to be an up-trade into a more expensive lens.