At the moment of the epidemic, many citizens feel that their eyes will be uncomfortable. Recently, there has been a sudden increase in public inquiries about the use of contact lenses and orthokeratology lenses. Experts said that because the local resistance of the eye decreases during infection, the chances of eye complications will increase, so it is not advisable to wear contact lenses.
Experts believe that when a fever occurs, the barrier ability of the ocular surface to resist foreign microbial infection will decrease. At this time, poor hand hygiene, lens storage care and improper use will cause the risk of ocular surface infection and discomfort during use . Secondly, when you have a fever, tear secretion decreases. If you continue to wear contact lenses, bacteria will multiply, and their metabolites will be deposited between the contact lens and the eyeball, which will reduce the oxygen permeability of the contact lens and interfere with the normal metabolism of the cornea, which may cause bacterial infection. corneal ulcer. In addition, many cough medicines and painkillers contain ingredients that inhibit tear secretion. The conjunctiva and cornea of those who often use contact lenses are prone to dryness. , Transparency is reduced. Corneal dryness can easily lead to keratitis, conjunctivitis and other inflammations, causing redness, itching, foreign body sensation, vision loss and other discomfort symptoms in the eyes.
Orthokeratology lenses are one of the more common ways for young people to correct vision. Xiang Yu, an orthokeratology lens fitter at Aier Eye Hospital, believes that you should stop wearing orthokeratology lenses immediately after you have suspected symptoms or a positive test. When the human body has symptoms of nasal congestion, coughing, or even tears, the corneal epithelium will also be in a state of hypoxia. If you continue to wear shaping lenses at this time, the hypoxia in the eyes will be aggravated, causing adverse consequences. When the body's resistance decreases, the barrier ability of the ocular surface to resist foreign microbial infection will also decrease. Poor hygienic practices at this time, improper lens storage, and inadequate cleaning of lens surfaces can increase the risk of ocular surface infection.
