38 Plates Ishihara Book for Color Blindness Testing Eye Test Book

Description: 38 Plates ISHIHARA Book for Colour Blindness Eye Testing 🛍 Product Details The ishihara test is the most well known color blindness test all around the world. It consists of 38 so called pseudoisochromatic plates, each of them showing either a number or some lines. According to what you can see and what not, the test gives feedback of the degree of your red-green color vision deficiency. This test can only be used to detect red-green color blindness. 🌟 Key Features 38 Plate edition of so called pseudoisochromatic plates, each of them showing either a number or some lines. Vanishing design: Only people with good color vision can see the sign. If you are colorblind you won’t see anything. Transformation design: Color blind people will see a different sign than people with no color vision handicap. Hidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you won’t be able to see it. Classification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans. ✨ What Makes This Product Stand Out? This product combines quality, functionality, and value, making it a top choice for customers who seek reliability and performance in every purchase. 🚚 Shipping Details We ship promptly to the verified address on your eBay account. Processing time is 1-2 business days. Standard delivery time is 3-7 business days. 🔄 Returns & Refunds We accept returns within 30 days. Items must be in their original condition. Refunds will be processed promptly upon receiving the return. 📧 Get in Touch Have questions? Contact us via eBay messaging. We're here to help!

Price: 41.72 USD

Location: Los Angeles, California

End Time: 2024-11-17T00:03:46.000Z

Shipping Cost: 0 USD