The other popular theory is that Paul had some sort of eye or vision problem. Learned scholars support this theory by quoting Gal. 4:15-16. Here Paul is saying to the Galatains that ye would have plucked out your own eyes and given them to me. Paul is just simply stating here that the Galatains loved him so much that they would have given up one of their most important physical assets, and given it to him. It is the same thing as someone saying today, I would have given my right arm for that person. Another verse being used by learned people to prove that Paul had difficulties with his eyes is found in Galatians 6:11. We read where Paul states "Ye see how large a letter I have written unto you with mine own hand". Scholars are teaching others that Paul had to write with large letters so he could see them. Paul is just simply stating here that he has written a long letter. He didn’t say he was writing with large letters, but just a large or long letter.
You cannot use one or two scriptures, such as these to
prove a point or to support your own theory. If your theory does not
line-up with all the rest of the Word of God then my best advice is to
abandon that theory. It will only get you into trouble. When you know
the truth, it will make you free!