<prompt> Human: I have Retinitis Pigmentosa- you gradually lose peripheral vision and end up with tunnel vision. My maternal grandmother had it and since its genetic, mine will run its course similar to hers. She had to stop driving around age 40-45 after hitting a parked car. How does disability work? Do you buy the disability insurance and then one day if you become disabled you have some money? Who decides and how do they decide you are disabled? Im a teacher and will work as long as I can however I can do it, but just wondering about the disability thing. What happens if I dont last until 55 or 65, when I could retire with the state pension? I live in TN and apparently its a good state for getting a pension or something like that. TL;DR- Im a 28 yo teacher and Ill be legally blind in 15 years. What do I need to know andor do?  <response>: Google council for the blind for your city or area. Definitely other people there have also had genetic conditions like RP or stargarts and had to prepare to lose their vision. That can also include a long term plan for training or retraining so you can stay employed after losing your vision 