Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
1
Is any of this happening now?
Call 911
Seek urgent or emergency eye care for sudden major vision loss, severe eye pain, a significant eye injury, or new flashes and a curtain-like shadow across your sight.
Follow your transplant centre's emergency instructions.
Other emergency signs, for anyone
Someone who is struggling to breathe, gasping, choking, or cannot get words out
Someone who has chest pain, tightness or pressure lasting more than a few minutes
Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
Someone who is unconscious, or cannot be woken
Someone who is bleeding heavily and it will not stop with firm pressure
Someone who has had a seizure that will not stop, or does not wake up afterwards
Someone who has lips or skin that look pale, blue, grey or blotchy
Someone who you believe has taken an overdose or swallowed something poisonous
2
Is any of this happening?
Be seen today
Contact your eye team promptly for increasing redness, worsening pain, new light sensitivity, discharge, or a noticeable drop in vision.
These can indicate rejection, infection, raised eye pressure, or another problem requiring examination.
3
Does any of this apply?
Book an appointment
Discuss ongoing mild grittiness, blurring, or gradual visual changes at follow-up visits.
Every sign above is quoted from the sofidex article on Corneal transplant. If you are not sure, err upward — it is always reasonable to be checked.