Optrex Infected Eye Drops Optrex Infected Eye Drops are medicated to pr relief for sore, irritated eyes. The formulation helps to soothe and cleanse your eyes. The comfort of your eyes can so easily be altered by all kinds of daily problems, such as tiredness, close-up work, smoky and polluted atmospheres and driving. Optrex Infected Eye Drops can pr you with the support and relief to these irritants. Uses for Optrex Infected Optrex is specially formulated for treating acute bacterial conjunctivitis. How do Chloramphenicol Eye Drops Work? Optrex Infected Eye Drops contain Chloramphenicol as an active ingredient, which is an antibiotic. It works by stopping bacteria from growing, eliminating bacterial eye infections. Chloramphenicol eye drops such as Optrex can be purchased over-the-counter without a prescription. This product will be shipped with an ice pack and should be refrigerated immediatley on receipt. Please note that results may vary.