Foggy eyes after cataract surgery may be caused by corneal edema, other eye diseases, eye infections, etc. It is recommended that patients go to the hospital in time. 1. Corneal edema: cataract surgery can cause corneal edema by stimulating the corneal endothelium, so that the patient’s eyes are still foggy after surgery, usually a few days after the operation can be restored. 2. Other eye lesions: after cataract surgery, there may be other primary diseases inside the eye, such as glaucoma, uveitis, etc., which may cause patients to see things still foggy. It is recommended that patients go to the hospital in time to find out the cause of the disease and then targeted treatment. 3. Eye infection: If you don’t take good care of your eyes after cataract surgery, it will easily lead to eye infection, which will cause eye congestion and edema, and increase secretion, which will make your eyes look blurry and foggy. If the patient after cataract surgery, in addition to the phenomenon of foggy eyes, accompanied by other uncomfortable symptoms, it is recommended to go to the hospital immediately for treatment.