There are several possible causes for eye boogers in the eyes after waking up in the morning: First, conjunctivitis, the symptoms of which often manifest as red eyes and congested eyes. There is more eye fluid in the eyes in the morning when you wake up, and it tends to stick to the eyelids and prevent you from opening them. According to the specific type of conjunctivitis, you should use the appropriate antibiotic eye drops or antiviral eye drops, timely eye drop treatment, most conjunctivitis can be recovered. Secondly, lacrimal sacitis, the symptoms of lacrimal sacitis are often manifested as overflowing tears, pus in the eyes, pressure on the lacrimal sac area with mucus or yellow-purulent colored secretions overflowing, sometimes accompanied by eye congestion, morning wake up at the inner corner of the eyes with eye droppings. It is recommended to go to the eye hospital for tear flushing examination and use the appropriate surgical treatment according to the specific situation. Thirdly, keratitis, the symptoms of keratitis include red eyes, increased eye discharge, more eye discharge in the morning, and foreign body sensation, photophobia, watery eyes, stinging eyes, and there can be varying degrees of vision loss and blurred vision. You should go to the hospital according to the specific cause of the disease, targeted and timely treatment to avoid delays.