1. A method for guiding user reading on a screen, the method comprising: determining a reading speed of a user using a hardware processor; receiving a selection of a document having an original layout to be read; setting a reading speed for the document; formatting the selected document for presentation to the user on a screen; presenting the formatted document using the original document layout; dividing text in the formatted document into blocks that include a plurality of words; reformatting the blocks based on the layout of the formatted document and punctuation of the document to include at least one word, such that each reformatted block includes less than a predetermined number of characters and the at least one word of the reformatted block is on a single line in the text of the document; and presenting guidance to the user within the formatted document at the set reading speed.