For example, if you have myasthenia gravis, you may notice that during a meal, your jaw muscles become tired and weak, interfering with your ability to chew food. After you have rested for a little while, the muscles may become strong again, allowing you to resume eating.
Reentry Permits. If you hold a green card and know in advance that you must be outside the United States for more than one year, it's worth applying to USCIS for a reentry permit. This lets you to stay away for up to two years. See â Reentry Permits: Preparing Green Card Holders for Long Absences from the U.S. â.
1 You already have a green card. 2  You are at least 18 years old. 3  You have lived in the U.S. lawfully as a permanent resident for at least five years. 4  you are a spouse of a U.S. citizen, refugee, or received your green card through political asylum.