Eye pain is likely to cause a headache, but this is more common in glaucoma. If you have an acute attack of glaucoma, it often causes eye swelling and pain, which can cause headaches and headaches, and may cause nausea and vomiting. If you have eye pain and headache, it is important to go to the hospital to rule out glaucoma or iridocyclitis, which are diseases that cause elevated intraocular pressure, and usually cause associated headaches. So if these diseases are ruled out and there are no obvious symptoms in the eyes that can cause headache, you need to go to the neurology department for examination again, it may be that the pain is caused by the two organs together, that is, the eyes may be caused by other causes of eye pain. Therefore, the headache may be caused by migraine and so on, so it needs to be treated separately.