Acanthamoeba keratitis
Acanthamoeba keratitis
Acanthamoeba keratitis (/əˌkænθəˈmiːbə kɛrəˈtaɪrɪs/) is a rare but serious infection of the eye that can result in permanent visual impairment or blindness. This infection is caused by a microscopic, free-living amoeba (single-celled living organism) called Acanthamoeba.
Etymology
The term Acanthamoeba keratitis is derived from the genus name Acanthamoeba, which is a type of amoeba, and keratitis, a term derived from the Greek kerato (cornea) and -itis (inflammation).
Symptoms
The symptoms of Acanthamoeba keratitis can be similar to those of other more common eye infections. These include:
- Eye pain
- Eye redness
- Blurred vision
- Sensitivity to light
- Sensation of something in the eye
- Excessive tearing
Causes
Acanthamoeba keratitis is most commonly associated with contact lens use, as the amoebae can survive in the space between the lens and the eye. However, the infection can also occur as a result of a corneal injury or exposure to contaminated water.
Treatment
Treatment typically involves antimicrobial therapy to kill the amoebae, and anti-inflammatory drugs to reduce inflammation and pain. In severe cases, a corneal transplant may be necessary.
Prevention
Prevention strategies include proper contact lens hygiene and avoiding exposure to contaminated water.
See also
External links
- Medical encyclopedia article on Acanthamoeba keratitis
- Wikipedia's article - Acanthamoeba keratitis
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