<prompt> Antimicrobial resistance in frequent lens user is due toBiofilm formationImproper handlingUnhygienic formationLow potency of antibiotics  <response>: The contaminated contact lens provides Pseudomonas aeruginosa an idea site for attachment and biofilm production Continuous contact of the eye to the biofilm-infested lens can lead to serious ocular diseases, such as keratitis corneal ulcers The biofilm also prevent effective penetration of the antibiotics, which increase the chances of antibiotic resistance. Reference : AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 50 