Generally speaking

Generally speaking,rainbow contacts are worn for up to 10 hours a day, because the breathability of cosmetic contact lenses is not very good. Wearing the eyes for a long time is in a state of hypoxia, which is prone to some discomfort. Therefore, it is rainbow contact lenses to wear the contact lenses for no more than 10 hours a day. Hours, and don’t wear the contact lenses every day. Use spectacles 1 or 2 days a week to get your eyes rested. 　　 Tips: If you are a beginner, it is recommended to wear it for 4 hours on the first day, 6 hours on the second day, and 8 hours on the third day. In order to avoid the sudden lack of eye adaptation and the resulting lack of oxygen in the eyes, the first wearer should gradually extend the wearing time. Does cosmetic contact lenses make the black contact lenses  Cosmetic contact lenses will not really enlarge the eyes, but they will become larger visually. Because the color circle of most color contacts is slightly larger than the black eye, which increases the size, the color circle of the color contact lenses only increases visually, and does not make the eyes really bigger.