Swelling or Ptosis? (Photo)

My 2 years old hit her right eye with the door handle about 2 weeks ago. It resulted in an immediate swelling of the eyelid and redness in her eye lasting for 3 days. There was also dark red spot / patch in the white of eye which also cleared up in about a week. She had no itching or any discharge / fluid during this period. After 2 weeks later, her right eyelid has a slight droop. What could be the reason of this drooping or is the swelling still there? But I dont see any redness on her eyelid.