Fissures are often found in retinal detachments. Finding the lacunae and surgical closure of the lacunae is the key to treating this disease. The lacunae are red in color with a grayish-white surrounding retina and are most often found in the superior temporal area, followed by the inferior temporal area, and least often in the nasal area. The lacunae in the serrated rim are mostly in the infratemporal or inferior part of the retina. The lacunae can also occur in the macula or in the retina that has not yet detached. They can be round or horseshoe-shaped, or striped, serrated-edge detached, or irregularly shaped. The detached retina is sometimes so elevated that it can obscure the lacunae, and the patient may be asked to change the head position during the examination. The patient may be asked to change the head position during the examination. The eyes may also be bandaged and bedridden for 1 to 2 days, and then examined when the elevation decreases. So, what foods are contraindicated for patients with lattice degeneration? The following are the foods that are contraindicated for patients with lattice-like degeneration. Checker-like degeneration patients should not eat greasy and indigestible food; avoid eating fried, smoked, barbecued, raw and cold, stimulating food; avoid eating high salt and high fat food. 1, pickled vegetables: belong to high-salt food, should not be consumed too much, there is a great danger to the body. Recommended daily salt intake of less than 4 grams per person, other serious illnesses, pay particular attention. 2, small sesame pepper: belongs to a particularly greasy food, fatty and sweet, more food is not beneficial, aggravating the burden on the gastrointestinal tract. Take as little as possible. 3, big fat: belong to a particularly greasy food, and the processing of such food oil are of relatively poor quality oil, extremely harmful to the human body. It is recommended to consume less as appropriate.