Increase in acanthamoeba keratitis may be associated with use of multipurpose contact lens solution

Acanthamoeba, a ubiquitous amoeba associated with stagnant water, can cause a sight threatening keratitis that is difficult to treat.1 Contact lens users are at greater risk of developing atypical keratitis, particularly when lens hygiene is poor.2

We reviewed case notes to try to identify risk factors that could explain the increased incidence of acanthamoeba keratitis at this eye hospital (figure …