Clinical eficacy levocabastine eye drops was compared with antazoline-nafazoline. Each drug was tried on 30 samples. Criteria used for evaluate was stage of illnes with score ranging from 0-36. Complete recovery was stated if all symptoms were dissapeared. Complate recovery was noted on 14th day after treatment until the end of treatment (28th day) Complete recovery noted on 23.3 percent of lev…