Swelling of the white of the eye may be caused by conjunctival edema, conjunctivitis and scleritis. 1. Conjunctival edema: mainly caused by Pseudomonas aeruginosa, staphylococcus and adenovirus infections, resulting in conjunctival edema, which leads to the patient’s swollen eyeballs and whites of the eyes. 2. Conjunctivitis: mostly caused by microbial infection, physical and chemical stimulation, inflammation of neighboring tissues, etc., resulting in patients with swollen eyeballs, accompanied by foreign body sensation, increased secretion, photophobia, tearing and other symptoms. 3. Scleritis: mainly caused by endogenous antigen-antibody-immune complex, also related to autoimmune factors, mainly manifested as eye pain, vision loss, scleral congestion and other symptoms. It is recommended that patients go to regular hospitals in time, under the diagnosis of the doctor, to take targeted treatment.