Color blindness test apps are designed to assess an individual's color vision deficiency or color blindness. These apps help people with color vision deficiencies identify their specific condition and determine the severity of the condition.

These apps use various types of color vision tests, such as the Ishihara test, Farnsworth-Munsell 100 Hue test, and more, to determine color blindness. The Ishihara test is a commonly used color vision test that involves identifying numbers or symbols within a circle of dots. The Farnsworth-Munsell 100 Hue test is a more detailed test that assesses the degree and type of color blindness.

Color blindness test apps typically display a series of color plates or patterns, and the user must identify the number or symbol embedded within the pattern. The results of the test are then displayed on the screen, indicating the user's level of color vision deficiency or color blindness.

Some color blindness test apps also provide additional features, such as educational resources, color filters to help improve color vision, and settings to adjust the app to suit the user's needs.

Overall, color blindness test apps are a useful tool for individuals with color vision deficiencies or those who want to learn more about color vision deficiencies. They provide an easy and accessible way to test and monitor color vision, and can be a valuable resource for anyone seeking to better understand color blindness.