Hi welcome to health care magic...
Let me know you according to history it seems to be conjunctivitis..
The causes are.....
-viral
-Bacterial
-Allergic (to dust, pollen etc)
-irritant conjunctivitis by shampoo, soap, chemicals etc.....
So these differentiation is necessary by your examination and detail history because treatment for each case is different...
Mostly of no crust and thick discharge not present, you seems to be having
allergic conjunctivitis for which antihistaminic drops can be given...
But exact treatment given only after examination...
Meanwhile avoid rubbing of eye...
Wash eye frequently with clean water....
Avoid sharing of towels and subjective things....
Keep pillow and bed clean...
For allergic inflammation
cold compress applied..
For other conjunctivitis form warm compress needed
Take care
Advise : Consult nearby ophthalmologist for examination...