There is no such thing as the fastest blurred vision conditioning. Blurred vision can be caused by bacterial keratitis, refractive errors and diabetes. They can be treated with medication and prescription lenses. 1. Bacterial keratitis: Bacterial keratitis causes blurred vision because the cornea has weakened defenses, allowing foreign and endogenous disease-causing factors to invade, resulting in inflammation of the corneal tissue. It can be treated with ofloxacin eye drops. 2. Refractive error: If combined with myopia, parallel rays of light refracted by the refractive system of the eye and focused before or after the retina can lead to blurred vision. You can use to wear appropriate frame glasses, the main purpose is to eliminate visual fatigue, slow down the growth of the degree, so as to improve the symptoms of blurred vision. 3. Diabetes mellitus: When blood sugar rises too quickly, it can cause pathological changes in the aqueous humor of the eye and the osmotic pressure of the crystalline lens, which ultimately leads to blurred vision. Metformin can be used for treatment to lower blood sugar, thus improving the symptoms of blurred vision. If the patient has blurred vision, it is recommended to seek medical treatment in time, identify the cause of the disease, and actively cooperate with the doctor for treatment.