Screen glare can impair reading. Letters on a computer screen appear coarse to the eye. That slows down the eye when it tries to read the text.
Screen reading can cause eyestrain.
Processing text online requires spatial and relational processing abilities. Screen size can be smaller than a page of printed material. Desktop computers are not portable and can be less convenient to use than printed material. All too often, documents that were never designed for the screen are simply dumped online. All rights reserved.