A completely colorblind person can no longer see the red, green, blue or mixed colors of these colors. The most common types of color blindness are red color blindness, green color blindness, and they often think of red and green colors as the same. There are some common color-blind test pictures.

Rainbow colors Normal color vision	Rainbow colors Retinal photoreceptor cells missing green
Rainbow colors Retinal photoreceptor cells missing red	Rainbow colors Blue retinal receptor is missing

Color blind test

 

Your computer and monitor may not display the correct colors, and if you can not see the numbers, this does not necessarily mean that you are color blind

 

The results of this test are not considered as valid medical tests. If you think you have a defective color vision, consult a regular medical institution.

The color of normal vision should be number 74	Those with normal eyesight should have a number of 29, a red-green color blind of 7
Normal vision color should be 6th	Normal eyesight can not read any number. Red green blind should be changed to 5. Panchromatic blind can not read any number

 

Choose the correct instrument

Whether it's food, paint, paint or plastic, color and quality control are all necessary conditions to stay competitive. When looking for new or updated instruments that meet changing standards and accurately measure a wide range of materials, it is important to choose a company that is relevant to your customers and industry. 3NH is a trusted brand of color technology and spectrophotometers, impeccable customer satisfaction and support records. 3NH understands and understands customers and their respective markets in an effort to cope with the global economic changes. Today we contact 3NH and let us show you our commitment to the world of color.