Welcome to the forum
You are suffering from allergic conjunctivitis
., itch, irritation, swelling and mucus formation are caused by it.
Avoid touching your eyes, keep your hands clean, take care of your hygiene.
Take oral antihistamine, it will relief you of your problem. You can also apply of eye drop
. Gentimicin or steroid
eye drops 2-3 drops 3 times a day.
Avoid allergens, take care.
Allergic conjunctivitis are self limiting, it should disappear in a day or two.