Tests that vision deficiencies can be emulated.
<p>Emulating "none":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAD5JREFUWIXt1rEJADAIRUHN5G6e7KCQxnu9HPzKjIp+ddunZ8COAoPBYDAYDP5fRvT/pkn7pgaDwWAwGLwYfsZ5A00nUwKQAAAAAElFTkSuQmCC">
<p>Emulating "achromatopsia":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAEFJREFUWIXt1rEJADAIRcEkZF1ndpXsoJDGe/3nwModEataZpa3p7xsBgaDwWAwGPy/2/mbOs07NRgMBoPB4MHwA7jiBtPYi5k6AAAAAElFTkSuQmCC">
<p>Emulating "blurredVision":
<img src="data:image/png;base64,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">
<p>Emulating "reducedContrast":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAENJREFUWIXt1rEJACAMRUEVR3PrrCK4ijskYOO9Phz8Kj12tHRnpU9HXq0FBoPBYDAY/L5Z+Zsq/Tc1GAwGg8Hgj+EL65oE6po6pEcAAAAASUVORK5CYII=">
<p>Emulating "none":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAD5JREFUWIXt1rEJADAIRUHN5G6e7KCQxnu9HPzKjIp+ddunZ8COAoPBYDAYDP5fRvT/pkn7pgaDwWAwGLwYfsZ5A00nUwKQAAAAAElFTkSuQmCC">
<p>Emulating "deuteranopia":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAEpJREFUWIVjLM+SYCAXdF5+QrZeJrJ1UghGLR61eNTiUYtHLR61eNTiUYvpDxgZbP8MiMUjL6hHLR61eNTiUYtHLR61eNTiEWwxAO2qBMHvlM5bAAAAAElFTkSuQmCC">
<p>Emulating "none":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAD5JREFUWIXt1rEJADAIRUHN5G6e7KCQxnu9HPzKjIp+ddunZ8COAoPBYDAYDP5fRvT/pkn7pgaDwWAwGLwYfsZ5A00nUwKQAAAAAElFTkSuQmCC">
<p>Emulating "protanopia":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAEVJREFUWIXt1jENACAMRUGKS2ywMyEWGeChJCzc25tL/tSYvaQba6dva569CwwGg8FgMPh9UVr+b7rpv6nBYDAYDAZ/DB9UVAT/lGfOlgAAAABJRU5ErkJggg==">
<p>Emulating "tritanopia":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAERJREFUWIXt1jENACAMRUEgqEEbEvCMBTy0CUvv7c0lf2pvZ7dwd4VPR1zNBQaDwWAwGPy/mfmbMtWbGgwGg8FgcGH4ARd5A2xLTTLjAAAAAElFTkSuQmCC">
<p>Emulating "tritanopia":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAERJREFUWIXt1jENACAMRUEgqEEbEvCMBTy0CUvv7c0lf2pvZ7dwd4VPR1zNBQaDwWAwGPy/mfmbMtWbGgwGg8FgcGH4ARd5A2xLTTLjAAAAAElFTkSuQmCC">
<p>Emulating "some-invalid-deficiency":
{
"code": -32602,
"message": "Unknown vision deficiency type"
}
<p>Emulating "":
{
"code": -32602,
"message": "Unknown vision deficiency type"
}
<p>Emulating "achromatomaly":
{
"code": -32602,
"message": "Unknown vision deficiency type"
}
<p>Emulating "deuteranomaly":
{
"code": -32602,
"message": "Unknown vision deficiency type"
}
<p>Emulating "protanomaly":
{
"code": -32602,
"message": "Unknown vision deficiency type"
}
<p>Emulating "tritanomaly":
{
"code": -32602,
"message": "Unknown vision deficiency type"
}
<p>Navigating…
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAERJREFUWIXt1jENACAMRUEgqEEbEvCMBTy0CUvv7c0lf2pvZ7dwd4VPR1zNBQaDwWAwGPy/mfmbMtWbGgwGg8FgcGH4ARd5A2xLTTLjAAAAAElFTkSuQmCC">
<p>Emulating "achromatopsia":
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAIAAAADnC86AAAAAXNSR0IArs4c6QAAAEFJREFUWIXt1rEJADAIRcEkZF1ndpXsoJDGe/3nwModEataZpa3p7xsBgaDwWAwGPy/2/mbOs07NRgMBoPB4MHwA7jiBtPYi5k6AAAAAElFTkSuQmCC">