Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Get emergency help immediately for sudden loss or major reduction of vision, severe eye pain with a tense or bulging eye, heavy bleeding, difficulty breathing, chest pain, or collapse.
Seek urgent medical advice for increasing eye pain, rapidly worsening swelling, trouble closing the eye, or new double vision.
Do not wait for a routine follow-up appointment.
Contact your surgical team during routine hours if you have concerns about wound healing, persistent irritation, worsening asymmetry, stitches, or swelling that is not gradually improving.
Also call if you develop increasing redness, warmth, discharge, fever, or pain that is not controlled as expected.
Every sign above is quoted from the sofidex article on Eyelid lift. If you are not sure, err upward — it is always reasonable to be checked.