<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Emulation](./puppeteer.protocol.emulation.md) &gt; [SetEmulatedVisionDeficiencyRequest](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequest.md) &gt; [type](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequest.type.md)

## Protocol.Emulation.SetEmulatedVisionDeficiencyRequest.type property

Vision deficiency to emulate. (SetEmulatedVisionDeficiencyRequestType enum)

<b>Signature:</b>

```typescript
type: ('none' | 'achromatopsia' | 'blurredVision' | 'deuteranopia' | 'protanopia' | 'tritanopia');
```