Understanding What Is Color Blindness

Color blindness is the difficulty faced by manyfrom severe color blindness cannot differentiate
people in identifying and recognizing differentbetween red, green and blue shades. But, those
colors and shades. Usually in healthy people withsuffering from complete color blindness cannot
normal color vision (trichromats), there areidentify any colors except shades of gray, black,
photoreceptors, known as cones that areand white. However, this type of blindness
concentrated in the centre of the retina, whichassociated with color is quite rare and people, who
contain 3 different types of photosensitiveare completely color blind, are invariably also
pigments -- blue, green and red -- that allowafflicted with other serious eye related problems.
identification and differentiation between differentThe symptoms of color blindness may vary from
colors and shades. However, in some individuals,person to person. Sometimes, the symptoms are
the cones become dysfunctional due to thenot very pronounced and the color vision problem
deficiency (anomalous trichromats) or completeis not so severe that the individual gets to know
absence (dichromat) of one or more of theseabout his disorder. Often, such people who are
photosensitive pigments. As a result, the individualpartially color blind may not realize that they are
develops difficulty in differentiating between colorssuffering from color blindness or that they are
or recognizing them.seeing things differently from what appears to
The extent of color blindness may vary from mildother people with normal color vision. The worst
to severe with partial color blindness allowingpart about this disorder is that there is no cure or
identification and differentiation between differenttreatment plan for it till date.
colors such as blue and yellow. Those suffering