It depends on the reason you are going Blind. Is it in the eye or brain? Have you been born with this or has it elapsed over time? Is it a hereditary degenerative disorder? These are all factors to take into consideration.
Please get an appointment with a board-certified ophthalmolgist that is a retinal specialist. There are excellent and exciting new treatments available but you need to see the specialist to see if you are a candidate. You haven't supplied enough information in order to help you more here.
MJK MD