Most important is "DON'T RUB EYES"
This is mostly allergy.
Next Steps
keep cold packs over eyes
u can start with Winolap eye drops 1 drop 2 times a say for 2 weeks
if not improving with this, a short course of mild steroid drop has to be given. pls visy nearest Ophthalmologist for the same.
Health Tips
keep cold packs
avoid Dust and wind
DON'T rub eyes.