Category: Actuality about Color Blindness

  • There is no treatment or cure for color blindness. It is inherent.
  • All colorblind people are not really color blind but color-deficient; the term color blindness is misleading.
  • Ishihara plates are the best-known color blindness tests, but they are not the most accurate ones.
  • About 8% of all men and 0.5% of all women are suffering from color blindness.
  • Colorblind people feel handicapped in everyday life, and almost nobody recognizes this.
  • Many colorblind people have problems with matching clothes, buying fruits, Vegetable, coloring, Traffic signals, cooking and painting.
  • In most countries, you need a normal color vision to get a Driving license.
  • Colourblind people are not eligible for All-Defense jobs (Police, Army, Navy, Airforce, SSB, ITBP, CISF, BSF etc), Railway, Metro rail, PSU (ISRO, DRDO etc), firefighter, Airline pilot, Private jobs in Manufacturing plants, Transport.
  •  99% of all colorblind people are suffering from red-green color blindness.
  •  John Dalton wrote the first known scientific paper regarding color blindness.
  • The anomaloscope is the most accurate color blindness test known today.
  • The most often used types of color blindness tests are pseudoisochromatic plates, arrangement test, and the anomaloscope.
  • Color blindness is more prevalent among males than females because the most common form of color vision deficiency is encoded on the X sex chromosome.
  • There are three main types of color vision deficiency: protan, deutan, and tritan defects. These terms protan, deutan, and tritan are Greek and translate to first, second, and third.
  • The severity of color blindness is usually divided into the following four categories: slightly, moderate, strong, and absolute.
  • There are people which are really suffering from complete color blindness, which is called achromatopsia or monochromacy.
  • If a woman is red-green colorblind, all her sons will also be colorblind.