Acanthamoeba Keratitis: Symptoms, Treatment, and Prevention


Acanthamoeba Keratitis is a rare but serious eye infection caused by the Acanthamoeba organism. It primarily affects the cornea, the clear front surface of the eye. In this article, we will explore the symptoms, treatment options, and prevention strategies for Acanthamoeba Keratitis, shedding light on this potentially sight-threatening condition.

Understanding Acanthamoeba Keratitis:

Acanthamoeba Keratitis occurs when the Acanthamoeba organism, commonly found in water sources such as tap water, swimming pools, and hot tubs, infects the cornea. This infection is more likely to occur in individuals who wear contact lenses, particularly those who do not follow proper lens hygiene and disinfection practices.

Symptoms of Acanthamoeba Keratitis:

Recognizing the symptoms of Acanthamoeba Keratitis is vital for early detection and treatment. Common symptoms include eye pain, redness, blurred vision, excessive tearing, sensitivity to light (photophobia), and a feeling of a foreign body in the eye. These symptoms may initially resemble other eye conditions, which can lead to misdiagnosis and delayed treatment.

Diagnosis and Treatment:

Accurate diagnosis is crucial for effective treatment of Acanthamoeba Keratitis. If Acanthamoeba Keratitis is suspected, an ophthalmologist will perform a comprehensive eye examination, including a detailed medical history review. Laboratory tests, such as corneal scraping for microscopic examination and culturing, may be conducted to confirm the presence of Acanthamoeba.

Treatment typically involves a multi-faceted approach. The ophthalmologist may prescribe specific topical medications, such as antimicrobial eye drops or ointments, to eliminate the Acanthamoeba infection. Additionally, the use of supportive therapies, including pain management and anti-inflammatory medications, may be recommended to alleviate symptoms and promote healing. In severe cases, a corneal transplant may be necessary to restore vision.

Prevention of Acanthamoeba Keratitis:

Prevention is crucial in reducing the risk of Acanthamoeba Keratitis. Here are some important preventive measures:

  1. Proper contact lens hygiene: Follow strict hygiene practices, including thorough handwashing before handling lenses, using sterile solutions for cleaning and storing lenses, and replacing lenses as recommended.
  2. Avoid exposing lenses to water: Remove contact lenses before swimming, using hot tubs, or showering. It is important to avoid wearing lenses while in contact with water sources that may contain Acanthamoeba.
  3. Use appropriate eye protection: Wear goggles or swim masks when swimming to minimize the chances of water coming into contact with your eyes.
  4. Regular eye exams: Schedule regular eye examinations with an ophthalmologist, particularly if you wear contact lenses, to ensure early detection of any potential eye issues.


Acanthamoeba Keratitis is a serious eye infection that can lead to vision loss if not promptly diagnosed and treated. Recognizing the symptoms, seeking immediate medical attention, and adhering to proper contact lens hygiene are essential for preventing and managing this condition. By taking necessary precautions and maintaining good eye health practices, individuals can significantly reduce the risk of Acanthamoeba Keratitis and safeguard their vision.

Remember, if you experience any symptoms or concerns related to your eyes, consult an eye care professional for accurate diagnosis and appropriate treatment.