<prompt> Best way to prevent infection after cataract surgery is -AntibioticsYebrows shavingThrough irrigationNone of the above  <response>: The most impoant source of potentil infectious organisms is the patients own natural conjunctival and skin flora. So, prophylactic antibiotic should adequately cover these organisms. The pre- operative topical antibiotic should be staed 3 days prior to sugery. Preferred antibiotics are fouh generaion fluoroquinolones gatifloxacin, moxifloxacin. Other antibiotics are aminoglycosides, traditional fluoroquinolones ciprofloxacin, levofloxacin and gramicidin- neomycin - polymyxin B combinatin. Ref: Yanoff; Jay S. Duker 2009 Ophthalmology 3rde p.416-419 