Color deficiency and amblyopia are two different diseases. Color deficiency is a hereditary disease and amblyopia is an acquired disease of abnormal visual development. Patients with color deficiency have a reduced ability to distinguish colors, and the main treatment is to wear color deficiency corrective lenses. And amblyopia is the patient’s monocular or binocular best corrected visual acuity decline, lower than the same age, once diagnosed should be treated immediately, amblyopia treatment effect is closely related to the timing of the treatment, the earlier the treatment, the better, the treatment can be through the masking treatment, amblyopia training and other methods of treatment. People with color deficiency should strengthen the training of color discrimination in daily life to prevent it from affecting their daily life. Amblyopia must be treated in a professional hospital immediately to improve the quality of life. It is recommended that patients with color deficiency or amblyopia should consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions for treatment.