If blurring of the eyes occurs when you have a cold, it is important to go to an ophthalmologist to have your doctor do a specific examination to rule out conjunctivitis caused by a cold virus or bacteria. First, if conjunctivitis occurs, it may lead to excessive discharge from the eye and blurry eyes. Second, but for the infection, choose the appropriate antibiotic or antiviral drugs for intravenous drip treatment, or oral drug treatment, the effect is often better. 1, for example, if a viral infection occurs, you can take oral ribavirin, Four Seasons Antiviral Combination, and Pudilan Anti-inflammatory Oral Liquid. 2, if a bacterial infection occurs, anti-inflammatory treatment can be done with antibiotics, such as Penicillin or oral amoxicillin, amoxicillin clavulanate potassium; 3, if penicillin allergy, you can use cephalosporin antibiotics, such as cefaclor, cefradine; 4, if the above drugs are allergic to the existence of the situation, then the use of azithromycin for anti-inflammatory treatment.