Chromatic weakness is a common ophthalmological disorder with a very strong genetic relationship, and the type of inheritance is companionship, with far more male patients than female patients. Patients with color weakness have abnormalities in the development of the retinal macula and have a reduced ability to perceive certain colors and cannot distinguish certain colors quickly and accurately. Generally, mild color weakness will not have a great impact on life, it may be that there will be restrictions when seeking employment, so just choose to avoid these occupations, while acquired color weakness, consider treatment for the cause of the disease.