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| color blindness - www.healthnote25.com |
Color blindness is a disorder caused by the inability
of the eye's cone cells to capture a particular color spectrum caused by a
genetic factor.
Color blindness is a genetic disorder
inherited from parents to their children, this disorder is often also called
sex linked, because this disorder is carried by the X chromosome. This means
that Y chromosome does not carry the color blind factor. This is what
distinguishes between colorblind sufferers in men and women.
A woman has the term 'carrier of
nature', this shows that there is one X chromosome that carries the color
blindness. Women with carrier trait, physically do not experience color
blindness as normal women in general, but women with carriers of the nature of
potential to reduce the color blind factor to his son someday. If on both X
chromosomes contains a color blind factor then a woman is suffering from color
blindness.
The nerve cells of the retina are
composed of stem cells that are sensitive to black and white, and cone cells
that are sensitive to other colors. Color blindness occurs when the light
receptor nerve in the retina changes, especially the cone cells.
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