First found in 1973, Acanthamoeba has been mostly related to contact lenses, with a 90 percentage. Acanthamoeba Keratitis that infecting the eyes come from the natural occurring amoeba. These tiny and single-cell animals mostly appear in tap water, well water as well as sewage systems. Fortunately, Acanthamoeba Keratitis occur an average of two times among one million wearers. Exception also exists ever found by the US centers for Diseases Control and other researchers. In 2007, the contact lenses solution named Complete MoisturePlus aroused a wide spread worrying about infection. The CDC reported that this product had a seven times risk of conventional products.

Good lenses hygiene is the most effective way in avoiding Acanthamoeba Keratitis. And Acanthamoeba can be killed by rubbing off the lens surface. But there are may unhealthy factors that may cause this infection, such as using polluted tap or well water and homemade products to clean lenses, showering or swimming without removing your contact lenses, as well as dirty cases. Nowadays, some manufacturers pay less attention to the contact lenses cleaning upon removal, which also brings more Keratitis cases.

It is difficult to diagnose Acanthamoeba Keratitis, even if they have obvious symptoms such as red eyes, eye pain, tearing, blurred vision etc... These signs are common and may be caused by other eye diseases. The way to diagnose Acanthamoeba Keratitis is using antibiotics, which may cause different reactions from Keratitis. Another ensured sign of Acanthamoeba Keratitis is ulceration on the corneal tissue. Corneal transplant surgery is the widely used solution to reduce the risk of permanent vision loss by Acanthamoeba Keratitis.

Acanthamoeba Keratitis and eye infections can be significantly minimized if the wearer uses them properly. Some tips are easy, such as washing hands frequently, following doctors' instructions, using recommended products rather than wetting or saline solutions, and regular lenses cleaning. They should never use tap water for cleaning. If customers like wearing lenses while swimming, airtight swim goggles is a necessity.

Your lenses cases also need equal care with lenses themselves. The first factor evolves cases cleaning. You can simply clean them using hot water or carefully brush them using disinfecting products, then let them air dry. Sometimes, a complete sterilization weekly is needed using hot boiling water or a microwave oven. Contact lenses should be replaced within every three months even with most frequent cleaning.

For Acanthamoeba Keratitis, prevention and early detection are critical.

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