2 year old having redness in eyes - Online Doctor Chats

Doctor :   hi
User :   hai.
Doctor :   how can i help u
User :   I have a son of 2 years old.
Doctor :   please proceed
User :   his eyes were redenned 10 days back. So my paediatrician directed us to an eye doctor
Doctor :   ok
User :   she gave "Refresh Tears" and "Piriton" eyed rops and asked us to put in his eyes for every 2 hours
Doctor :   ok
User :   his redness is reduced but still its not fully gone
User :   she says its eye allergy
Doctor :   ok
User :   do i have to go to the eye doctor again for check up?
User :   will this allergy affect his vision?
Doctor :   i will help u in this

Doctor :   can i ask few Q
User :   yes pls
Doctor :   is it only rednesss or any discharge from eys
User :   no discharge
User :   no pain
Doctor :   ok
Doctor :   is he allergic to any dust or pollens
User :   no
Doctor :   does he frequently get cold or running nose