Which of the following statement is true regarding Acanthamoeba keratitis?
For the isolation of causative agent, corneal scraping should be cultured on non-nutrient agar (not nutrient agar). 'Culture on non-nutrient agar (E. coli enriched) may show trophozoites within 48 hrs : which gradually turn into yeasts. - khurana
Normal habitat is soil, water and dust but it is an amoeba (not a helminth)
Keratitis due to Acanthamoeba may be seen both in immunocompetent and immunocompromised hosts.
In contrast to many another pathogenic amoeba, this organism is not naturally parasitic and does not require a host.
For the isolation of the causative agent, corneal scraping should be cultured on a nutrient agar plate
The causative agent, Acanthamoeba is a helminth whose normal habitat is soil
Keratitis due to Acanthamoeba is not seen in the immunocompromised host
Acanthamoeba does not depend upon a human host for the completion of its life-cycle