<prompt> Normal conjunctival flora is-E coliPseudomonasCoagulase negative staphylococcilactobacillus  <response>: Staphylococcus epidermidis is an innocuous flora of lid and conjunctiva. It can also produce blepharo conjunctivitis Staphylococcus aureus is the most common cause of bacterial conjunctivitis and blepharoconjunctivitis. Ref: A K KHURANA COMPREHENSIVE OPHTALMOLOGY,E4,page-55 