<prompt> Antimicrobial resistance in frequent lens user is due to -Biofilm formationImproper handlingUnhygienic use of lensLow potency of antibiotics  <response>: Ans. is a i.e., Biofilm formation o The contaminated contact lens provides Psuedomonas aeruginosa an ideal site for attachment and biofilm productiono Continuous contact of the eye to the biofilm- infested lens can lead to serious ocular diseases, such as keratitis corneal ulcers.o The biofilm also prevent effective penetration of the antibiotics, which increase the chances of antibiotic resistance. 