Iridization, also known as iridescence, refers to the appearance of brightly colored rings around a light source. The appearance of iridization in the eyes is due to the change of refraction of the eyeballs and the spectroscopic effect, the white light from the front, according to the wavelengths of the various types of light contained in the decomposition into a variety of color components, thus appearing the typical color halo. Iridescence is a frequent symptom of eye disease and can be seen in glaucoma, conjunctivitis, corneal edema, incipient cataracts, and other eye diseases. Treatment of primary eye disease. Rainbow vision dietary taboos and contraindications It is advisable to eat: 1, it is advisable to eat a diet that is light and easy to digest; 2, it is advisable to eat more warm-yang food; 3, it is advisable to eat food containing high-quality proteins. Yellow cauliflower: yellow cauliflower is flat, sweet, slightly bitter, belonging to the liver, spleen and kidney meridian; it has the effect of clearing heat and diuretic, detoxifying and eliminating swelling, stopping bleeding and removing annoyance. Fresh cauliflower contains a kind of “colchicine” material, it itself is not toxic, but through the gastrointestinal tract absorption, oxidation in the body for the “dicolchicine”, it has a greater toxicity. Therefore, it is recommended to consume dried products, run hair after consumption, and do not eat more each time. Cucumber: cool, sweet flavor, a small poison; into the lungs, stomach, large intestine meridian. It has the efficacy of clearing heat and water, detoxifying and eliminating swelling, generating fluids and quenching thirst. Cucumber can be eaten raw as a fruit, but not too much. Cucumber vitamins in less, so often eat cucumber should eat some other fruits and vegetables at the same time. Green beans: green beans have the effect of clearing summer heat, quenching thirst and diuretic. In summer or in the high-temperature environment of the work of people sweating more, water loss is very big, the loss of potassium is the most, the body’s electrolyte balance is damaged. Cooking soup with mung beans to supplement is the most ideal method, not only to supplement water, but also timely supplementation of inorganic salts, to maintain the electrolyte balance of water and fluid has an important significance. Avoid eating: 1, avoid often eat flavor heavy food; 2, avoid eating difficult to digest food; 3, avoid eating easy to flatulence food. Bacon: bacon contains too much sodium, sodium ions into the body is not easy to discharge, and has the property of absorbing water, so it will make the body water retention in the body. Edema patients should not eat bacon. Chili sauce: Chili sauce often adds a lot of salt, sodium content is amazing, easy to make water retention in the body. Patients with edema should not eat chili sauce. Candied fruits: candied fruits need salt and seasoning to pickle, which is not conducive to water metabolism in the body. Try to eat as little as possible.