Dry eyes and blurred vision may be related to visual fatigue, dry eye, cataract and other causes, which need to be further differential diagnosis by a doctor. 1. Visual fatigue: prolonged viewing of cell phones and other electronic products or reading books can make the ciliary muscle spasm for a long time, which can easily lead to visual fatigue of the eyes, should minimize the use of electronic products and pay attention to rest. 2. Dry eye: common symptoms are itchy, dry eyes, foreign body sensation or burning sensation, blurred vision, etc. Artificial tears can be used to relieve the symptoms, such as sodium vitrate eye drops. 3. Cataract: The main symptoms include decreased visual acuity, decreased contrast sensitivity, refractive changes, etc. Dry eyes may occur, which is mainly treated by surgery. If dry eyes, blurred vision, no relief after rest, and accompanied by other discomforts, go to the hospital in a timely manner to clarify the cause of the disease, and follow the doctor’s instructions for standardized treatment, so as not to delay the condition.