Among the 447 Japanese men with deutan color-vision deficiency that we analyzed, 61 had a normal order array of L/M pigment genes. Three of the 61 men had an exonic mutation, but the other 58 had ...

Affected males were shown to fail the protan and deutan axes, but retained good discrimination on the tritan axis of the MR test, a compelling evidence for residual colour vision in BCM.

The EnChroma® glasses, commercialized by a North American company, do not improve color vision for color blind people or correct their color blindness, and their effect is similar to that of ...