| Show common aarm of color blindness the most common torm form ot of colof color blindness Is ar inability to distin golsh red last jear a thirty our boffl cers nd be cancers of the brit ish mercantile marine s arvice railed failed or on their color tests benty three being red blind and the remainder un able to distinguish green the 4 cardi candidates dates for were WW a also submitted to the lorm form vision tests and twenty two of them failed to distin golsh tho the torm form ot of the object submit ted |