Contact lens care solutions are a daily necessity for contact lens users. The accumulation on the lens surface and bacteria must be removed first with the care solution, so that subsequent disinfection and storage can be carried out effectively. Since incomplete cleaning of the lens surface may leave residues, when immediate disinfection is carried out, the disinfectant components always combine with the residues and cannot combine with the bacteria, so the disinfectant components cannot fully exert their antibacterial effect.

Drinking water does not have the disinfection and sterilization effects of care solutions and may even worsen the precipitation on the lens. Therefore, in the use of colored contact lenses, care solutions are the only liquid that can be used for cleaning and storing lenses.

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Common problems with wearing contact lenses:

1. Do not wear for too long each day. The length of time to wear contact lenses each day actually depends on the individual’s corneal condition, but it is generally not recommended to wear them for more than 12 hours a day, and 5 to 6 days a week. If wearing contact lenses, one should be even more cautious, not wearing them for more than 10 hours a day, and it is best to use them once a day. Do not wear them while sleeping.

2. Habitual usage is key. If contact lenses are worn properly, such as often used in conjunction with general myopia glasses, and the cleaning method is appropriate, they are unlikely to cause damage to the cornea and can be used from youth to old age. However, if the usage habit is poor, such as long-term wear or not paying enough attention to cleaning, it may cause severe oxygen deficiency in the cornea, or it may become impossible to wear contact lenses again.

Contact lenses must be stored in a specialized care solution. The care solution can kill bacteria, disinfect, and maintain the original characteristics of the lens. Pure water, drinking water, mineral water, and other non-specialized care solutions not only do not have disinfection and sterilization effects but also may cause deformation of the lens due to the difference in osmotic pressure of the blood plasma. Since this water is not sterile, bacteria and other microorganisms may adhere to the lens, so contact lenses should never be placed in non-specialized care solutions. If your lenses have been placed in a non-specialized care solution, please discard the lenses immediately.