There is a relationship between the kidneys and the eyes, usually eye diseases do not cause kidney damage, but part of the kidney disease may cause eye performance, the following common conditions: 1, kidney insufficiency will cause eyelid edema, the body’s water-sodium metabolic balance is disturbed when there is renal insufficiency, a large amount of fluid can not be discharged through the kidneys, and stagnation in the body. The eyelid area is the most lax subcutaneous tissue in the body, so it is the first to appear edema. 2. Kidney disease may cause hypertension, which may lead to damage to the fundus of the eye. For example, in renal artery stenosis, there is a possibility of acute hypertension, which can lead to changes in the fundus such as hypertensive retinopathy, retinal hemorrhage, macular edema, and even exudative retinal detachment.