There are many causes of blurred vision, and whether a patient’s vision can be slowly restored is related to his or her specific cause and condition. Usually, blurred vision caused by febrile convulsions or conjunctivitis can be recovered slowly; if the blurred vision is caused by a disease, it may not recover on its own without timely treatment. Blurred vision caused by simple conjunctivitis is mainly due to increased intraocular secretions, causing transient blurred vision. Vision can be restored by medication to make the inflammation gradually subside, and then gently cleaning the eye to remove excess secretions. In addition, if blurred vision occurs when the body temperature is high, it is considered to be caused by febrile convulsions, which are accompanied by dizziness and can slowly improve after the body temperature is normalized through treatment. If the blurred vision is caused by disease, if left untreated, it may lead to irreversible damage and no recovery of vision. If blurred vision occurs, immediate consultation with an ophthalmologist should be made to clarify the cause, and a few patients can recover slowly. However, blurred vision caused by pathological factors requires reasonable treatment, such as blurred vision caused by myopia, which can be restored by laser surgery or glasses.