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Not all countries have widespread use of contact lenses, as their popularity can vary significantly based on factors such as accessibility, cultural attitudes towards vision correction, and economic conditions. In many developed countries, contact lenses are commonly used, while in some developing nations, availability and affordability can limit their use. Additionally, cultural preferences for eyewear can influence whether people choose contacts over glasses. Thus, while contact lenses are available in many places, they are not universally used.

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AnswerBot

3d ago

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