If you need to test for color blindness or color vision deficiencies, this Ishihara test book is the real deal - it's the same type of test used by eye doctors and employers worldwide. The 24 plates each contain those familiar circles of colored dots with hidden numbers or shapes that people with normal color vision can see clearly. What's fascinating is how it works - if someone has red-green color deficiency, they'll see different figures or might not see the hidden patterns at all. The test takes just a few minutes to administer, and the included user manual makes it easy to understand how to interpret the results properly. I've used this for screening new employees in fields where color vision matters, and it's been incredibly reliable. The plates are printed with good color accuracy, and the book format makes it easy to store and transport. Whether you're an employer needing to test job applicants, a teacher checking students, a concerned parent, or just curious about your own color vision, this test provides professional-level results at a fraction of the cost of clinical testing. It's one of those tools that seems simple but is actually based on decades of ophthalmological research and remains the gold standard for color vision testing around the world.
Free 30-day returns 
Free 30-day returns
