5 doctors agreed: 1  Ask an ENT: Audiologists do the test, but if the test is not perfect, see an otolaryngologist - an ear, nose and throat physician. 2  Ask an ENT: Audiologists do the test, but the ear, nose and throat physician makes the diagnosis and treatment plan.
The list of required documents and the application process is described in the B-2 Tourist Visa Application Guide. Tourist Visa Length of Stay: Persons admitted to the United States on a B-2 Tourist Visa are usually issued a 6-month stay. The maximum length of stay for visitor visa holders is 6 months. The immigration officer at the port of entry determines how long each visitor is allowed to stay in the country.
Student visas are valid for one year. Tourist visas and cards are valid for up to 6 months (180 days). To extend your tourist visa, you must visit any National Institute of Migration office or delegation to apply for an extension of your tourist migration form. â Passport or valid identification and travel document.