What is an Achromatopsia?

April 21 22:54 2019 Print This Article

It is defined as a condition in which there occur five different diseases. It is also known as ACHM. There are certain acquired disorders like color agnosia and cerebral achromatopsia. It is the autosomal recessive and congenital disorder. In this the patient cannot perceive the color and neither achieve visual acuity at high light levels. If this condition is present in an incomplete form it is known as the dyschromatopsia. It occurs 1 in 33000 people and dates back from 1960 onwards. There is a matter of debate whether the achromats can see the color or not. Oliver Sacks in his book

The Island of the Colorblind mentioned that some achromats can see the color. There are 5 different genes which cause the same symptoms. In some cases there occurs a marginal level of color differentiation as the gene characters differentiate. The diagnosis of this disorder is difficult to accurate due to the small sample size and low response rates. The light level must be optimized for them so that the visual acuity can be corrected. It can lead to the blindness in full sun.

What is the epidemiology of Achromatopsia?

This is not a common disorder. It has a prevalence of 1 in 30,000 people. In another condition of Micronesian atoll of Pingelap the prevalence was quite high.

What is the treatment of Achromatopsia?

There is no specific treatment to cure this disorder. A few yeasr back a cybernetic device known as the eyeborg helped people to perceive the color by the use of sound waves. There is an achromatopsic artist known as Neil Harbisson which was the first one to use this device. It helped him to do painting in the color by remembering the sound of color.

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