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.
Apply for a Green Card. 1  Find out if you're eligible. 2  If you are eligible, file Form I-485 - Application to Register Permanent Residence or Adjust Status with USCIS, including all supporting documents and fees. 3  USCIS will review your application and schedule an interview with you. 4  Once issued, your green card will be valid for 10 years.