There are many causes of blurred vision, generally related to visual fatigue, eye infection, cataract, glaucoma and so on.
1. Visual fatigue: If patients use their eyes for a long time at close range, their eyes can not get rest, which leads to ciliary muscle spasm, and thus patients can experience blurred vision.
2. Eye infection: due to bacteria, viruses, mycoplasma and other pathogens caused by conjunctivitis, conjunctivitis, uveitis and other diseases patients, under the stimulation of inflammation, eye secretions increase, secretions cover the cornea or sclera, the patient may appear blurred vision symptoms.
3. Cataract: aging, diabetes, trauma and other factors cause metabolic disorders of the lens, lens protein degeneration and clouding, patients may experience blurred vision.
4. Glaucoma: patients with glaucoma may suffer from eye distension, vomiting, blurred vision and other symptoms due to increased intraocular pressure, compression of the optic nerve or corneal edema.
It is recommended that patients with blurred vision consult a doctor promptly to assess their condition and follow the doctor’s instructions for treatment.