Kanehara Ishihara Test Chart Books, for Color Deficiency-38 Plate (Complete Edition) Book

Trying to find glasses for my 10 year old son who we just found out is color blind! Deutan. This book helps us find out if the glasses are working correctly… so far no glasses has helped.. this book makes it a guarantee to know if they do or not!

This book aids in testing a person's color vision. The book's charts test whether or not a person can read a number or follow a squiggly line. All of the paper charts are contained in a thicker binding that can be flipped like a book's page or extended out like an accordion. The charts can be removed from the binding if needed.There is a thin pamphlet with instructions for using the charts, and explanations on what is expected to be seen on the charts. Most of the charts will be easy for the average person to view, but there are a few charts, that purposefully, the average person won't be able to comprehend. If a person has color deficiencies, this book will be able to help identify the levels (mild or strong) of protanomaly or deuteranomaly.The book measures 9 inches tall, 6 inches wide, and 1.5 inches thick.Made in Japan.

This product is made and printed very well. It comes in a thick, high quality box with clear labeling on the back, so you know what it is. We display ours on a bookshelf and it blends in well. Inside, there is a “book” of sorts with all of the cards slipped inside the accordion folder. This makes the cards very easy to see. In the back are all the directions and explanations you would need to explain what the test is doing and how to read the results. My brother has always suspected for years that he is color blind. While we haven’t tested him yet, we have tested everyone in my home to test it out. We were all very easily able to take it (even my 6 year old) and all passed. I can’t wait to try it out on him and see the results.