Professional Blindness Test Book with 38 Plates Red-Green Screening, Includes Eye Shading Lenses Accurate Optometry Detection and Diagnosis

Product description Features:-Professional test book, is a simple and accurate way to discover congenital color blindness and red-green color blindness, each of which has two forms, complete and incomplete.-Includes four special test plates for determining the type and degree of color vision deficiency. - Using the characteristics in red-green color blindness, blue and yellow appear significantly brighter than red and green.-Color plates are attached to a specially designed album-type book for easy operation.-The graphics seen by people with color vision deficiency must be different from those of people with normal color vision.Specifications:Part name: Color difference test bookMaterial: paperSize: 19*14.8*4cmColor: as shownQuantity: 38 platesPackage Contents:1*Color Difference Test Book+1*Eye shading lenses Manufacturer Contact Information no

• [PROFESSIONAL TESTING TOOL] This comprehensive difference test book includes 38 carefully designed plates to accurately assess congenital blindness and red-green deficiencies. optometrists and educators.
• [INCLUDES TEST PLATES] Features four unique test plates that evaluate the type and severity of deficiency, precise various conditions.
• [ TO USE ] The plates are conveniently housed in an album-style book, making it to conduct tests and interpret effectively.
• [ENHANCED VISUAL DIFFERENCE] Understand how individuals with deficiencies perceive colors differently, providing valuable insights professionals in eye care and education.
• [SIZING REMINDER] Please refer to your own sizing guide accurate measurements, as standard sizing may differ.