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Colour Blindness

Wed 11th Mar 2009 - 5:03 pm - Back to Article Selection

Colour blindness is usually the result of a hereditary disorder. Males are more prone to this condition than females. This occurs when either there is a lack of cone cells in the eye or the cone cells are not working properly. Colour blindness can be an acquired condition. It can be the result of a cataract, side effect of medication, trauma or other non hereditary related conditions.

Our eyes contain rod and cone shape cells. There are three types of cone cells in the retina area of the eye that allow a person to see various shades of red, green or blue. When a person is missing a particular cone cell or a particular cone cell is not working properly a person may not be able to determine the various colours around them.

There are no medical treatments available for hereditary colour blindness. There are steps that can be taken to assist with this condition. Cataracts may be removed if this is what is causing a person to have colour vision issues. If colour vision loss is the result of medication, stopping the medication may reverse the colour loss. Some contact lenses that are tinted have been known to help some people see various shades of colours.

Special glasses that help to block glare can assist by not allowing bright lights to hinder people with colour vision problems. For someone who does not have cone cells in his/her eyes; tinted or dark glasses may help. The rod cells located in our eyes do not need as much light as the cone cells. Rod cells also donít allow objects to be as sharp or clear. A person who only has this type of cell and suffers from a colour vision issue may want to consider using glasses or contact lenses to help sharpen the images.

Disclaimer: The author is not a medical doctor, optician, ophthalmologist or any other medical professional, this article has been compiled using a variety of internet reference sources and while every effort has been made to ensure accuracy this cannot be guaranteed. No preference for product or brand is inferred or intended and the contents of this article are not to be used in whole or in part to inform a decision regarding any aspect of contact lens use.

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