Recurring eye conjectivies. With time.

My 5-year-old child has been suffering from recurrent conjunctivitis. Earlier, he used to have severe cough due to allergies, and the doctor told us that it would improve with time. Thankfully, his cough has improved now, but for the past two years he has been continuously experiencing eye conjunctivitis. Whenever we visit the doctor, it gets better with treatment, but after some time it starts again. We have tried everything, but there is no permanent solution so far. Currently, the doctor has prescribed Soha and Winolap eye drops, which we are using regularly. However, he still has discharge from his eyes at night, and in the morning his eyes are stuck together. Because of this, he is sometimes unable to make proper eye contact. The doctor says it will improve with time and does not recommend using steroids for a long period. We are very concerned and confused about what treatment should be given. If any Pediatrician Ophthalmologist suggest any solution for it