Night blindness caused by vitamin A deficiency, or night blindness caused by a primary disease, can mostly be cured with active and effective treatment. However, in the case of irreversible night blindness caused by genetic factors, the possibility of cure is lower.1. Temporary night blindness: Patients can see objects unclearly or even affect their movement at night or in a poorly lit environment. There are many causes of this disease, which may be due to malnutrition, liver disease or digestive tract diseases that lead to vitamin A deficiency in the body, leaving the retinal rod cells without the raw materials to synthesize retinas, thus causing night blindness. You can choose foods rich in vitamin A in your daily diet, such as eggs, animal liver, walnuts, sesame and other foods, or follow medical advice to take vitamin A and other treatments, which can generally be cured; 2. Acquired night blindness: such as retinopathy caused by diabetes, glaucoma, cataract and other diseases, or retinal damage caused by trauma. It is recommended to actively treat the primary disease, for example, diabetic patients should pay attention to blood sugar control, glaucoma and cataract patients can undergo surgery, as the primary disease is treated and controlled, night blindness will also gradually improve or even cured; 3, congenital night blindness: because of genetic factors leading to poor differentiation of the optic rod cells, the physiological function of synthesizing and storing retinal red matter is reduced, resulting in low visual function in the dark. There is no effective treatment to cure it, but it can be improved by treatment and care to avoid deterioration. In addition to adhering to treatment, patients with night blindness should also pay attention to eye care in daily life. When going out, if the sun is too strong, you can wear sunglasses and so on to reduce eye irritation. If the sun is too strong when you go out, you can wear sunglasses to reduce eye irritation. When night blindness is severe, it is recommended to reduce the number of nighttime outings, and it is best to have someone with you when you go out to reduce the likelihood of injury.