The rate of blindness caused by blue visual field defects has always been high, second only to cataracts, and this condition is also high, and the main reason has a lot to do with our lifestyle habits. The diet of patients with blue visual field defects is very important, so what should be eaten? Since the visual impairment caused by blue visual field defect is mostly related to the blood supply of the optic nerve, you must eat less spicy food and less irritating food such as chili. Be sure to consume more foods with more fiber, as well as foods containing vitamins A, B, C, and E, such as pork liver, fish, meat, and coarse grains. For the treatment of visual field defects not only need to understand the relevant dietary therapy, know how to prevent is also very critical, specifically to improve their eye habits, especially to pay attention to protect the eyes, especially at night do not overuse the eyes, but also to maintain a relaxed mood, to prevent the occurrence of danger. Adhere to physical exercise: physical exercise can speed up blood flow, reduce blood stasis in the fundus, smooth atrial fluid circulation, and reduce intraocular pressure. However, it is not advisable to do inversions to avoid raising the IOP. Often touch their eyes, look at the lights: blue visual field defect visual field defect is characterized by hardening of the eye, look at the lights with a rainbow circle, early treatment after detection. Prevent constipation: constipated people often have increased intraocular pressure when they have a bowel movement, so develop the habit of regular bowel movements and eat more vegetables and fruits.