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# Vision

A person may be blind or color blind, or have a vision challenge that
makes focusing difficult.

## Overview

People who are blind, have low vision, or prefer larger text
can use Apple’s vision accessibility features
to customize their displays, control their devices, and navigate their surroundings.
Design and develop your app to support vision accessibility features and provide a great experience
for people who rely on these features.

![An illustration that shows a person with low vision sitting beside a guide dog while using an iPhone and AirPods.](images/com.apple.Accessibility/accessibility-scene-vision@2x.png)

### Related videos

  <doc://com.apple.documentation/videos/play/wwdc2023/10034>

  <doc://com.apple.documentation/videos/play/wwdc2023/10036>

  <doc://com.apple.documentation/videos/play/wwdc2023/10078>

## Topics

### Supporting vision accessibility features

[VoiceOver](/documentation/Accessibility/voiceover)

A gesture-based screen reader that provides an auditory description of the content onscreen.

  <doc://com.apple.documentation/documentation/MediaAccessibility/flashing-lights>

[Audio graphs](/documentation/Accessibility/audio-graphs)

Define an accessible representation of your chart for VoiceOver to generate an audio
graph.

[Braille displays](/documentation/Accessibility/braille-displays)

Display a graphical representation of images, icons, data, and more on a two-dimensional
braille display.

[Animated images](/documentation/Accessibility/animated-images)

Pause animations in animated images in your app when people turn off the Animated
Images setting.

[Horizontal text](/documentation/Accessibility/horizontal-text)

Lay out vertical text horizontally in your app when people turn on the Prefer Horizontal
Text setting.

[WWDC21 Challenge: Large Text Challenge](/documentation/Accessibility/wwdc21_challenge_large_text_challenge)

Design for large text sizes by modifying the user interface.



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