Color weakness cannot be restored through training or treated in any other way at this time. However, color deficiency does not usually continue to develop and does not cause other eye problems. Weakness of color is a relatively common disease in ophthalmology, and is related to genetic factors. It is usually caused by a genetic abnormality that results in the imperfect development of the cone cells in the retina that sense color, so that the patient is unable to distinguish different colors correctly and quickly. There is currently no treatment that can repair the genetic defect so that the patient’s cone cells develop normally, and training cannot improve the symptoms, but color deficiency does not usually continue to progress, so it does not cause other more serious harm to the eyes. Patients can wear color weakness glasses to correct color weakness and improve the patient’s vision. It is recommended that patients with color vision deficiency should consult a doctor in time to evaluate their condition and follow the doctor’s instructions for treatment.