Farnsworth-Munsel 100 Hue, Ishihara and hardy-Rand-Ritler tests were performed in a group of 140 alcoholics, who were also studied with routine ’liver tests’ and hepatic biopsy. The high prevalence of color blindness in ...

The article approaches color teaching including children with color blindness. Colors are present in everything that surrounds us and the use of colors has a direct link in the development of the child. Babies perceive ...

People with color blindness have difficulties when browsing the web. The impossibility of seeing some colors hinders the perception of some information presented by websites, information which may, in some cases, be ...

Nine color blind subjects were discovered in a survey of 140 Aymaras of Arica, Chile, using as screening test a portable Anomaloscope, Ishihara tables and Hardy‐Rand‐Ritter plates. Pseudosisochromatic test failed on detecting ...

Deutan and protan dichromats only see exactly two hues in the HSV color space, 240-blue (240o) and 60-yellow (60 o). Consequently, they see both reds and greens as yellows; therefore, they cannot distinguish reds from ...

Color blindness affects about 8% of men and 1 in 200 women in the world. In the Web, people with color blindness has several difficulties in understanding content in images, since they are often produced without taking ...