Yes, the ones in the corner of the eyes indicate bladder issues (due to deposits of sand and possible stones in the kidneys, such as uric acid stones). You may want to consider doing the kidney cleanse (in the book The Amazing Liver Cleanse) and certainly cleanse the liver and colon. The darkness under the eyes is due to kidney and liver congestion. By cleaning out these organs of elimination and eating sensibly, these signs are likely to vanish with time. Avoid foods that are high in uric acid such as most protein foods (meat, fish, eggs, cheese,etc.).