Blurred vision during the day and normal vision at night may be caused by day blindness, cataract and other diseases.
1. Daytime blindness: Daytime blindness is mostly caused by congenital retinal cone cell dysfunction, macular degeneration, central corneal leukomalacia and other factors, and the patient will have symptoms such as low vision under bright light.
2. Cataract: Cataract is mainly caused by a variety of factors resulting in lens metabolic disorders caused by the lens protein degeneration and turbidity, patients will experience mild vision loss and other symptoms, patients in the bright light pupil shrinkage, less light into the eyes, visual acuity is poorer than in low light. In addition, patients with cataract will also experience symptoms such as color vision changes and refractive changes.
When patients have the symptoms of blurred vision during the day and normal vision at night, they should go to the hospital in time and take regular treatment measures after checking the cause of the disease according to the doctor’s instructions to avoid aggravation of the disease.