Zoom In: Vision Supports on iOS Devices, Apple Watch and Apple TV is a free iBook that is available for download on a Mac or iPad, and with iTunes on your computer. The author Luis Perez has low vision and is an Apple Certified trainer.
This book will empower you to make the most of your remaining vision with the help of Apple products such as the iPad, the iPhone, the Apple Watch and even the Apple TV. The book addresses three components of accessibility for low vision users of Apple devices: Zoom, VoiceOver and other built-in accessibility features, apps, and accessible content. Anyone with low vision can benefit from step-by-step tutorials that are supported by more 25 closed-captioned videos.
Learn more: https://books.apple.com/us/book/zoom-in/id998667650.