Recently, the world's leading brands of contact lenses in Shanghai Johnson & Johnson ACUVUE contact lenses issued on the domestic market of five major trends found. According to the survey, 15-59 year olds, about 75 percent of the people who need vision correction, most of the population of myopia. Since the problem of cognitive errors and wearing habits, Chinese contact lens wear rate is far lower than developed countries, and on the replacement contact lenses to wear shorter, the lack of understanding of the concept of health.

     Chinese Medical Association of Optometry group members Professor Qu Xiaomei, said contact lenses according to the replacement cycle is divided into traditional 3 months to 1 year, regular replacement of type 2 weeks to 1 month, the daily exchange type. The longer the time the lens, the more sediment accumulation, affect eye health and comfort. Clinical display, traditional contact lenses probability of occurrence of ophthalmic complications is much higher than replacement contact lenses, traditional contact lenses ophthalmic complications occur more than four times the replacement type, traditional contact lenses lead to the probability of occurrence is papillary conjunctivitis 8 times the replacement type. For the above phenomenon, Johnson & Johnson Vision Health and Professor Qu appeals replacement contact lenses to wear shorter, the health, the shortest most healthy.