BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). 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: visual impairment, visual defect, vision defect, visual disorder, birth defect, congenital anomaly, congenital defect, congenital disorder, congenital abnormality
Within this category: dichromacy, monochromacy
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