The problem with the term "color blindness" is that it carries a very generic profile, when in reality it has more than one variant. Under more adverse circumstances, color blindness affects relatively simple tasks such as choosing clothes, or interpreting traffic signals. Even identifying a ripe fruit is problematic, but that can change with the help of a mobile app. Color Blind Pal features an inspector that recognizes colors immediately, and a filter to simulate color blindness or distinguish similar colors.
Understanding Color Blindness
In very relaxed terms, the photoreceptor cells of the retina are divided into cones and rods. Rods are involved in recognizing black, white, and different shades of gray (essentially, they help us see in low light), while cones divide their sensitivity into red, green, and blue. Color blindness arises when something is not quite right with the functioning of the cones. Its most common variant is known as deuteranopia, related to the absence or failure in the functions of the cones linked to the color green. Those who suffer from deuteranopia cannot distinguish between green and red..
https://old.neoteo.com/ilusion-optica-foto-en-blanco-y-negro-coloreada-por-tu-cerebro/The EnChroma Alternative
The most popular 'correction' is offered by EnChroma glasses, designed specifically to separate and better define green and red. The problem is that a pair of EnChromas does not go below 300 dollars. The alternative? Do what you can to reproduce their functioning through the smartphone, with the help of an app. That's when Color Blind Pal steps in.
How Color Blind Pal Works
Completely free and compatible with iOS and Android, Color Blind Pal was developed by the Imgur user 'Vincenator' in mid-2015. The first function of the application is the inspector. If you want to know the color of an object, open Color Blind Pal, activate the inspector and point with the camera to get the result. The second function is the filter, which exaggerates and 'shifts' colors to improve their identification, or also simulate different types of color blindness.
Availability and Feedback
Color Blind Pal is available for Android (it has not received updates in more than two years, but it works well from Android 4.2), and version 8.0 or higher of iOS, both on iPhone and iPad. Beyond some isolated cases and problems with the built-in cameras of devices, user feedback is very good, and anyone who has trouble separating red from green should give it a try.
Color Blind Pal (Android): Click here
Color Blind Pal (iOS): Click here
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