Kienbock Disease is a rare condition that affects the wrist, specifically the lunate bone. It occurs when the blood supply to the lunate bone is disrupted, leading to its gradual deterioration. The progression and severity of the disease can vary among individuals. While there is no specific data on life expectancy for Kienbock Disease, it is important to note that it is a chronic condition that can cause pain, limited mobility, and potential complications. Early diagnosis and appropriate treatment can help manage symptoms and slow down the progression of the disease, improving the quality of life for those affected.