Partanol is a very good drug for allergic conjunctivitis, first of all, to relieve the symptoms of eye redness, itchy eyes, the effect in 3 minutes, itchy eyes are very intolerable, and toothache, and Partanol is a double-acting drug, for allergic conjunctivitis, usually need two drugs: histamine antagonist + mast cell stabilizer, if you buy a single-acting drops, it means that you have to buy two drugs, and 6-8 times a day on time drops, it is very cumbersome to use old drops to damage the cornea. -8 drops a day on time, which is a pain in the ass, and old eye drops damage the cornea. Secondly, Patanol only requires 2 drops a day, which is efficient compared to the 6-8 drops of the two medications above. So your colleague is right in recommending Patanlor as the drug of choice for allergic conjunctivitis.