Market research company for 25-39 years of age, salary of more than 5 million people in the survey, 300 valid questionnaires, the results showed that nearly 70% of respondents began to wear contact lenses before 8:00 am, nearly 90 daily wear more than 8 hours, more than 5 percent of people more than 12 hours, while 5 to 8 people for a long time wearing feel eye irritation, including three former dry eyes, fatigue, and foreign body sensation and so on.
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