I'm trying to set up the iPad for a person with limited vision. Is there a setting to keep text, especially in iBooks, from exceeding the width of the screen when zooming?

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A

Answer 1

This is from the iPad User Guide:
Change a book’s appearance: Some books let you change the type size, font, and page color.
Change the font or type size: Tap near the center of a page to display the controls, then tap . Tap Fonts to select a typeface. Some books allow you to change the type size only when iPad is in portrait orientation.
Change the color of the page and text: Tap near the center of the page to display the controls, tap , then tap Theme. This setting applies to all books that support it.
Change the brightness: Tap near the center of a page to display the controls, then tap . If you don’t see , tap first.
Turn justification and hyphenation on or off: Go to Settings > iBooks. PDFs and some books can’t be justified or hyphenated.
(Sorry about the numbers above that were automatically inserted.)
Of course, there's also Settings > General > Accessibility for general large text settings for your iPad.