Yes and no. It depends on the individual. How well they trust their mind that they can bring forth the information as needed. No you don't need to PhotoRead the book again. However most don't have great experiences with test and don't effectively tap their memory so it doesn't hurt to PhotoRead a book again closer to the time of test and give it a light review.

You can use full screen mode hands free in adobe. Full screen is easier to read.

NOPS - is a significant introduction to learning the PhotoReading skill. I recommend reading the English version of the book if it isn't in the translated content.
N= Notice
O= Own it
P= Play
S= Stay with it

Alex