<prompt> Best way to prevent infection after cataract surgery is?AntibioticsYebrows shavingThrough irrigationNone of the above  <response>: Ans. is a i.e., Antibiotics Perioperative measures toprevent infection The most impoant source of potential 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 surgery. Preferred antibiotics are fouh generation fluoroquinolones gatifloxacin, moxifloxacin. Other antibiotics are aminoglycosides, traditional fluoroquinolones ciprofloxacin, levofloxacin and gramicidin- neomycin - polymyxin B combination. Never the less, complete conjunctival sterility is not usually possible with the use of preoperative antibiotics alone. The topical antiseptic povidone iodine 5 instilled as a single drop 10- 30 minutes before surgery is one of the most effective measure to decrease this bacterial flora. Intraoperatively, a large poion of surgeons 66.4 also use subconjunctival antibiotic. Intracameral antibiotic at the end of surgery showed significant benefit in reducing the rate of bacterial endophthalmitis. Post- operatively topical antibiotics eye drops are given along with steroids for 10 -14 days. 