Published On: June 9, 2026

A simple daily habit turned into a life-altering medical emergency for 19-year-old Grace Jamison during a recent trip to the Dominican Republic. After showering while wearing her contact lenses, Jamison contracted a severe parasitic infection known as Acanthamoeba keratitis, a condition that resulted in nearly total vision loss. Her story serves as a critical reminder of the importance of strict contact lens hygiene and the dangers of water exposure.

The Path to Infection

While in the Dominican Republic, Jamison unknowingly exposed her contact lenses to tap water containing Acanthamoeba parasites. Because contact lenses can trap microscopic organisms against the cornea, the parasites quickly invaded her eyes, leading to a severe infection.

Initially misdiagnosed with conjunctivitis, Jamison was prescribed steroid drops that exacerbated the infection by suppressing her body’s natural immune response. It took nearly two months for specialists to identify the true cause and initiate intensive anti-parasitic treatment. While Jamison has since shared her recovery journey on social media to warn others, her vision remains permanently limited as a result of the ordeal.

Understanding Acanthamoeba Keratitis

Acanthamoeba keratitis is a rare but devastating infection that thrives in environments such as soil and water. Contact lens wearers are at a significantly higher risk if they fail to follow proper cleaning protocols.

• The Role of Water: Exposure to tap water, swimming, or hot tubs while wearing lenses creates a high-risk environment for parasitic invasion.

• The Danger of Misdiagnosis: Early symptoms—including redness, sensitivity to light, and blurred vision—often mirror common eye ailments, which can lead to inappropriate treatment.

• Long-Term Impact: If left untreated or mismanaged, the infection can lead to permanent corneal scarring, the need for corneal transplants, or total vision loss.

Essential Safety Guidelines for Lens Wearers

Health authorities, including the CDC, emphasize that Acanthamoeba keratitis is largely preventable through consistent hygiene practices. To protect your vision, consider the following safety measures:

• Avoid Water Exposure: Always remove your contact lenses before showering, bathing, swimming, or entering a hot tub.

• Use Proper Solutions: Clean and rinse lenses only with designated contact lens solutions; never use tap water.

• Hand Hygiene: Always wash and thoroughly dry your hands before handling your lenses.

• Professional Consultation: If you experience persistent eye pain, redness, or vision changes, consult an eye care professional immediately and inform them that you wear contacts.

Grace Jamison’s experience highlights the vulnerability of contact lens wearers to environmental parasites. Her openness in sharing this journey has served as a vital educational tool, prompting thousands of users to re-evaluate their own eye care habits and underscoring that sight should never be taken for granted.

Were you aware of the risks associated with wearing contact lenses around water? Share your thoughts or personal safety tips in the comments below, and consider sharing this article to help protect others from this preventable condition.