Ishihara Color Blindness Test Book, 38-Plate Professional Optometry Screening Tool for Red-Green and Blue-Yellow Color Vision Deficiency Assessment

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+Eye shading lensesNote:1: Please allow 1-2 cm error due to manual measurement, please make sure you do not mind before ordering.2: Due to the difference between different monitors, the image may not reflect the actual color of the item

• PROFESSIONAL COLOR VISION TESTING:congenital and red-green color blindness accurately with 38 standardized Ishihara-style plates designed for clinical-grade screening
• EASY-TO-USE ALBUM FORMAT: Sturdy paper-bound book with 19×14.8 cm plates—no loose sheets, optimized for quick flipping and consistent exam flow
• INCLUDED EYE SHADE LENSES: Reduce glare and ambient light interference during testing to improve result reliability and patient focus
• RED-GREEN DEFICIENCY FOCUSED: Spe-cialized plates highlight brightness contrast between blue/yellow vs red/green—key for differentiating complete and incomplete deficiency types
• COMPATIBLE WITH STANDARD OPTOMETRY WORKFLOWS: Fits seamlessly into routine eye exams; plates sized and spaced for clear viewing under typical exam lighting conditions