Wallace, Idaho. Wallace is a historic city in the Panhandle region of the U.S. state of Idaho and the county seat of Shoshone County in the Silver Valley mining district. Wallace sits alongside the South Fork of the Coeur d'Alene River (and Interstate 90) and the town's population was 784 at the 2010 census.
Sometimes, a head injury, eye trauma or another condition or disease can cause ptosis. Generally, this occurs when there is either damage to the âlevatorâ muscles that hold the eyelids up, or damage to the nerves which control these muscles.
While involutional ptosis is the most common cause of ptosis in older populations, there are many etiologies that affect all age groups. Before characterizing the different etiologies of ptosis it is important to have baseline knowledge of the anatomy of the eyelid and how to perform a proper eyelid exam.