The redness and swelling of the fundus may be caused by infection, allergy, trauma and other reasons, which need to be analyzed according to the specific situation.
1. Infection: If infected by bacteria, chlamydia, mycoplasma, virus and other factors, it will cause local inflammation of the fundus, and the manifestation of redness and swelling of the fundus will appear.
2. Allergy: If the eyes are stimulated by smoke, or by allergens such as dust, it will lead to higher local inflammatory factors, causing local redness and swelling.
3. Trauma: If the fundus of the eye is traumatized, it will lead to local congestion and edema, usually with redness and swelling.
If the redness and swelling of the fundus persists, it is recommended to go to the hospital in time and follow the doctor’s instructions to carry out the appropriate treatment to promote the discomfort to be relieved.