Recent studies have again focused on contact lens care products and their effects on ocular tissue
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In January's Investigative Ophthalmology and Vision Science, Robertson et al1 report on a study into the effects of non-preserved solutions on the corneal epithelium in long-term daily wear of silicone hydrogel lenses when compared with extended wear with these lenses. A total of 121 subjects completed the 13-month study wearing one of three SiH lenses for either daily or extended wear.
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