Nope lazy eyes have no effect on the outcome what so ever. Sometimes i photoread with just one eye for the sake of it

Multiple photoreading through the text is good. Especially for you to gain confidence that the material is being downloaded into your other than conscious mind.
Just be sure you leave some time for incubation. I usually take a 1 hour nap after listening to the Paraliminal tape entitled "Memory supercharger".
Keep at it you're doing great! 