Right eye pain and headache, first, can be the attack of migraine, especially right-sided migraine, the patient can present with right-sided headache, accompanied by right-sided eye pain, and in severe cases can appear photophobia and tearing of the eyes. Secondly, right eye pain and headache can also be clinically seen as a result of eye diseases, such as glaucoma, and increased intraocular pressure in the right eye, which can lead to eye pain and, in severe cases, headache, and can be measured by ophthalmology. Again, refractive error of the right eye or chronic conjunctivitis, sclerositis, etc., can cause pain in the right eye, and when the pain is irritated, the person can also have a headache. So if necessary, consult an ophthalmologist to rule out eye pain and headache caused by eye diseases. Finally, right eye pain and headache can also be clinically seen in intracranial occupational diseases, especially in the posterior part of the eye. Patients can also have problems with vision, and abnormalities can be detected after CT or nuclear magnetic examination of the head.