Does the inner corner of his eyes have a bluish/red discoloration or is it on the skin close to the corner of the eyes? From your history , I feel it is ok to take him to the doctor tomorrow morning, provided he has no other symptoms like headache,vomiting
, blurring of vision, loss of consciousness(these are the main symptoms of head injury
). If any of the symptoms I mentioned are present, best to take to the emergency room immediately.
Have a nice day :)