Description
【Classification Design】:Using the characteristics of red and green blind spots, blue and yellow appear very bright compared with red and green. Color plates are housed in specially designed album-style books for easy handling..【Hidden Numbers Design】:Color-blind people see different signs than people without color vision impairment. Only people who are colorblind can spot the signs. If you had perfect color vision, you wouldn't be able to see it..【Visual Detection】:The Ishihara color spot test is that the patient must recognize numbers or patterns formed in a matrix of small colored dots of different colors and intensities (pseudo-isochromatic plates)..【Wide Application】:Suitable for major optical shops, vision care centers, hospitals, optometry training centers, etc., suitable for detecting those who are color blind and weak blindness..【Excellent Service】:If you have any questions about the product, please send us an email in time, and we will answer your difficult questions in time.