I wont lie. I promise
Okay, I believe the proper reading position is with your book about a 45 degree angle from you eyes and same with the book to the table. Im not sure about that tho.
Are you just defocusing? Try looking over the top of the book. If you dont get a blip when you do that, focus on the 4 corners of the book. If that doesnt work, just relax you dont need a blip anyways, its just a helpfull reminder that you arent actually reading word by word.