With the popularization of common myopic contact lenses and night-wear orthokeratology tablets, prevention of acanthamoeba keratitis should be taken casually.
Acanthamoeba is a free-living amoeba in the environment, explained Zhou Wei, an ophthalmologist at the Zhongxing Branch of Taipei United Hospital.floatThere are traces of it in pool and tap water. If the pathogen infects the eyes, it will cause Acanthamoeba keratitis.
The most important risk factor for Acanthamoeba keratitis infection is contact lens wear. The literature has confirmed that more than 90% of patients with Acanthamoeba keratitis wear contact lenses, and 90% of them wear soft contact lenses; While users of night-wear orthokeratology tablets may cause the corneal epithelium to thin, not thoroughly clean lenses and using tap water to wash lenses is more likely to lead to infection. Other risk factors for infection include swimming, bathing, etc. with contact lenses.
Symptoms of Acanthamoeba keratitis can range from mild to severe and include foreign body sensation, red eyes, photophobia, tearing, eye pain, and blurred vision. Zhou Wei said that the acute treatment of acanthamoeba keratitis takes several weeks, and the follow-up usually takes 3 to 6 months of maintenance treatment. Patients should follow the doctor’s advice to take the medicine, and after the authorization Without interrupting treatment may fail because the amoeba protozoa is very tenacious. Prognosis is highly correlated with the severity of the initial corneal infection, therefore early diagnosis and treatment are of great importance.
How to prevent Acanthamoeba keratitis usually? Zhou Wei suggested that the most important thing is to have good hygiene habits, keep contact lenses clean, and follow the lens cleaning steps thoroughly. Contact lens cases should also be cleaned and dried. Also, avoid swimming, bathing in hot springs, and wearing contact lenses; If you feel uncomfortable, please stop wearing contact lenses and seek medical attention as soon as possible, and ask an ophthalmologist for evaluation.
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Source: Health and Medical Network
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