Abnormality of vision Color vision defect Abnormal color vision HP:0000551 Abnormal colour vision Disturbed color vision SNOMEDCT_US:367469000 Colour vision defect, severe Abnormality of colour vision An anomaly in the ability to discriminate between or recognize colors. UMLS:C3552853 Disturbed colour vision Color vision defects Colour vision defects Color vision defect, severe Colour vision defect Loss in color vision Loss in colour vision Abnormality of color vision SNOMEDCT_US:23289000 UMLS:C0009398 UMLS:C0234629