Blinking and rubbing in kids can be due to 2 reasons.
Either child is having difficulty in seeing things clearly or
There is discomfort or itching (which is usually due to allergy)
Please ask the child if he is having trouble in vision
Next Steps
for vision issues pls get kid s eye checked
for allergy you can start Winolap eye drops 1 drop 2 times a day
Health Tips
ask child not to rub eyes repeatedly.