I am sorry your caracract surgery did not go well. My mother's didn't either and now she has decided not to get the other one done. You hear people raving about not even wearing glasses and sadly that is not always the case. (((Hugs)))
Depending on how bad your sight is, will determine what you decide to use. The Golden Thread paper with a nice thick line drawn would be highly visible. The tear-a-way preprinted quilt patterns a little less visible but you could go over the lines to make them darker. It will also depend on what fabric you used for the best marking method. For marking directly on light fabrics I like the blue wash out markers. On dark fabrics I like my Fons and Porter white chalk pump pencil. I did have to wash my quilt o completely remove the marks.