Wearing after the expiration date may lead to the reduction of corneal oxygen permeability and edema. At the same time, there will be a lot of bacteria on the expired US contact lenses, which may easily cause eye infections after wearing, such as keratitis and conjunctivitis. Disease; secondly, the pigment of expired lenses may fall off and deposit in the eyes, which may lead to blindness in severe cases.What happens if you continue to wear the contact lenses when they expire?
Try not to wear the expired US contact lenses. You can wear new ones or change to a pair of frame glasses. If you insist on wearing expired US contact lenses, additional side effects or complications may occur.
Contact lenses are expired and cannot be worn. Because it is easy to cause dry eye, conjunctivitis, keratitis, serious eye infection, and even blindness. The use of contact lenses requires an eye examination, a clear diagnosis, and whether it is suitable or not, according to the condition.
Contact lenses can eliminate the triangular prism phenomenon caused by frame glasses, oblique astigmatism and non-convergence of binocular aberrations, but the use of contact lenses must be standardized and regular eye examinations to ensure eye safety.
Each pair of lenses has a “discard cycle”, which refers to how long it takes to replace the lenses after they are opened, because the lenses will have protein precipitation after being worn for a long time. Strictly follow the product instructions and replace with new lenses before the disposal cycle. The care of beauty contact lenses cannot completely clean the lenses. In particular, many wearers usually do not pay attention to lens care, and even never scrub the lenses. Therefore, after wearing for a long time, the stain resistance of the lenses will decrease.
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