Ishihara Test done with the help of Ishihara pseudoisochromatic plates (that is so heavy!) is the standard to check for Color Blindness among those joining. Usually done to check for Red-Green Color Blindness. read more
Yes, they do. And no, don't try to fool the Medical examiner by memorising Ishiara charts. Several times in your life as a Medical Officer in the forces, you'd be DEPENDING on clear color vision for your life. read more
Ishihara Test done with the help of Ishihara pseudoisochromatic plates (that is so heavy!) is the standard to check for Color Blindness among those joining. Usually done to check for Red-Green Color Blindness. It has 97% sensitivity and 100% specificity. So you can assume that it is pretty much accurate. read more
Colour (color) blindness (colour vision deficiency, or CVD) affects approximately 1 in 12 men (8%) and 1 in 200 women in the world. In Britain this means that there are approximately 2.7 million colour blind people (about 4.5% of the entire population), most of whom are male. read more
Based on what you can see and what not, it is possible to check if you are suffering from some form of red-green color blindness. As the test is usually executed in a booklet, it is not the best possibility to online test your type and severity of color blindness. read more