For specific diagnosis , you can meet a docotor. Meanwhile , you can use Ecotears eye drops  3 times per day to see if it helps . Reduce screen time Hydrate ..drink enough water Use sunglasses if u hv dust allergy

There are lot many reasons for excess mucus or discharge from the eyes like Conjunctivitis, Meibomian Gland Dysfunction, Allergies, Blepharitis, Dacryocystitis, Mucus Fishing Syndrome etc. Better to meet any nearby Ophthalmologist for detailed Slit lamp examination and proper treatment. The treatment comprises of treating the underlying cause, avoid touching your eyes, do not rub the eyes, follow proper working pattern for Laptops/ Computers/Mobile,maintain healthy lifestyle etc.