[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetEmulatedVisionDeficiencyRequestType](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequesttype.md) ## Protocol.Emulation.SetEmulatedVisionDeficiencyRequestType enum Signature: ```typescript export const enum SetEmulatedVisionDeficiencyRequestType ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | Achromatopsia | 'achromatopsia' | | | BlurredVision | 'blurredVision' | | | Deuteranopia | 'deuteranopia' | | | None | 'none' | | | Protanopia | 'protanopia' | | | Tritanopia | 'tritanopia' | |