Corneal endothelial cells do not regenerate. The number of corneal endothelial cells is quantitative, and age, disease, trauma, and surgery can cause varying degrees of damage and loss of some of these cells, which do not regenerate after damage. Corneal endothelial cells have a barrier function, and damage to them can lead to corneal edema. It is important to take care of your eyes in your daily life and adopt good lifestyle habits to minimize the risk of eye diseases. When symptoms of discomfort in the eye area occur, it is necessary to go to the hospital in a timely manner for relevant examinations. If lesions are found, treatment should be based on the severity of the disease and the cause.