The uncomfortable swelling of the right eye may be caused by bad use of the right eye, trauma, inflammation, facial nerve paralysis, etc., which needs to be treated with medication or surgery. 1. Poor eye use: long time using the right eye to look at things, especially the close distance looking at electronic products, reading in a dark environment leads to visual fatigue, in addition to frequent rubbing the right eye can also lead to right eye discomfort feeling swollen. You need to use your eyes reasonably, pay attention to rest, avoid using your eyes in a weak or bright light environment, and avoid rubbing your eyes. 2. Trauma: the right eye by violent impact, hit, extrusion, puncture, contusion crack and other traumatic injuries caused by the cornea, eye muscles, eyeball and other tissue damage, oozing and local hematoma, the right eye uncomfortable feeling swollen. 3. Inflammation: Infection of the right eye with bacteria, viruses, mycoplasma and other pathogenic microorganisms leads to local inflammation, resulting in redness, swelling, heat and pain, and the right eye is uncomfortably swollen. 4. Facial nerve palsy: Facial nerve injury, diabetic peripheral neuropathy, etc. lead to peripheral facial nerve palsy, uncomfortable swelling of the right eye, accompanied by difficulty in opening the eyes, facial movement disorders and other symptoms. The uncomfortable swelling of the right eye can be caused by a variety of factors, the appearance of the above symptoms in a timely manner to consult a doctor, a clear diagnosis.