waht also helped is to buy a feet that has a 1/4 "seam guide. That way you can tough it before you start sewing with yoru fingers to se if it lined up correctly and the guide helps to keep the fabric in place. It needs to have an attached edge that stand up a little. there is a lot on the market for bad vision, you just need to find out what works bast for you. Good luck and keep us posted on what you did finally! We can all learn form it again!