Hello and thanks for your question.
What advice can you give me?
This is a fairly common feeling. It represents a roughened, dry, or scratched corneal surface. If it is very intense pain, accompanied by nausea and/or vomiting then that represents a likely increased pressure in the eye and for that reason he should go to the ER. This is uncommon at best and usually only seen in complicated surgeries or persons with existing glaucoma.
I would recommend that he begin using artificial tears 4-5x/day in that eye, as well as a lubricating ophthalmic ointment (unless one of his post-operative medicines is an ointment). Cool compresses can also help the eye feel better. This is, of course, in addition to him using all of his prescribed post-operative drops as he has been directed to. Does this help address your concerns?
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My opinion is solely informative and does not constitute a formal medical opinion or recommendation. For a formal medical opinion and/or recommendation you must see an eye doctor.
I'm going to switch to Q&A format because I can't see any of your responses, but I'm still here
You indicated that this was fairly common and then mentioned uncommon. I am a little confused. He is not vomiting at this point but is in pain. He took tylenol and it helped for a while. As far as we know the surgery was not complicated. It lasted roughly 30 minutes. The Dr. said that everything looked fine this morning but he had difficulty seeing when the patch was removed. One of his prescribed drops is an ointment. He has 3 rx's for drops and then a salve to use at night.
I am still here and will be awaiting your response.