The Eustachian tube connects the throat and the middle ear (the site of a typical  ear infection ) and allows air to travel between them and equalize the pressures. When the Eustachian tube is temporarily pinched off, pressure can build up in the middle ear.
Visitation is a matter of state law, but generally speaking, every state allows parents to exercise a reasonable amount of visitation with their children, which generally means enough time to establish and maintain a meaningful relationship.
Location of Viewings and Visitations. A viewing or visitation takes place before a formal funeral service. In the past, this often took place at the home over several days, giving friends and community members at place to gather and console one another. But these days the most common places to host them are at the funeral home or religious establishment.