Fundus cytomegalovirus infection more and more difficult to see after the injection may be the disease has not yet healed, or considered to be the result of edema of the conjunctiva after the injection. Patients with fundic cytomegalovirus infection may experience increased eye discharge, impaired vision, photophobia, redness of the eyes, congestion of the blood vessels in the eyes, edema, and itching. If the patient’s vision becomes more blurred after the injection, it may be due to the disease has not yet been cured, the medication is not effective, the disease continues to develop, and in severe cases, even blindness may occur. Fundus cytomegalovirus infection after injection more and more difficult to see things, should also be considered to be the patient’s conjunctiva injection of drugs, secondary corneal edema caused. Generally after a period of time can be self-recovery, but if the cornea appears to be damaged, the patient needs to go to the regular hospital, under the guidance of the doctor to take relevant therapeutic measures. It is recommended that patients with cytomegalovirus infection of the fundus should go to a regular hospital and undergo an examination to determine the cause of the disease if they have trouble seeing after taking the injection.