Commonest cause of keratitis in soft contact lens users is:: (A) Acanthamoeba, (B) Staph aureus, (C) Naegleria, (D) Herpes
Answer is A. A i.e. Acanthamoeba Pseudomonas aeruginosa is the most common organism encountered in contact lens related acute keratitis & corneal ulcer. Acanthamoeba is the 2nd most common cause.