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...nt replacement contacts are also available in daily wear or extended wear. Daily wear contacts are removed, cleaned and disinfected nightly; and extended wear, are just that, they can be worn for an extended period of time without taking them out. Extended wear can be worn overnight for up to seven days, unless otherwise indicated by an eye care professional. The extended-wear and disposable contacts tend to be thinner than most daily-wearing types. If handling a thin type of contact is a persistent problem for you, then consider a thicker model. You can also get disposable colored contact lenses as well as disposable contacts, which correct for astigmatism, and bifocal. Vistakon, an independent and entrepreneurial subsidiary of Johnson & Johnson, pioneered the production and marketing of disposable contact lenses with the 1987 launch of Acuvue, the first disposable extended-wear lens–a soft contact lens that patients wear for a period of less than two weeks and then abandon. By 1993, Acuvue was the leading brand of soft contact lens in the United States. In March 1994, Gary Kunkle, president of Vistakon, was presented with the test market results for an addition to the firm’s product line, 1 Day Acuvue, the world’s f...