ASL Sign Language Dictionary
Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: genetic inability to distinguish differences in hue
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Similiar / Same: colour blindness, color vision deficiency, colour vision deficiency
Categories: birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder, vision defect, visual defect, visual disorder, visual impairment
Within this category: dichromacy, monochromacy
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