There are eye exercises that could help with your perception of how far away things are. One is called near and far shifting. Others are eye stretches, convergence eye exercise and eye tracking exercise. You have to do them three times a day for 12 weeks before you can determine if they resolved the problem. You should be able to find info about them on youtube.com.
The pressure on the brake is another issue. Have you had OT? I would guess it's an issue of muscle control and there must be therapy exercises to give you that control. As they say, practice makes perfect. If you know someone who will bring you to a parking lot and let you be for an hour, you can practice braking until you develop the control to feel comfortable.
My son, who has cerebral palsy where the right side of his body was spastic, learned to drive. I'm sure you can do it if you don't rush and practice a lot until you feel comfortable and safe.