January 28, 2015

signs and symptoms

Characteristics of albinism

White or light blond hair, violet to blue eyes, very pale skin that is particularly sensitive to the sun. Without sufficient melanin, our eyes are unable to function properly and nerve connections to the brain are also altered. We, as People with albinism are therefore often characterized by long-sleeved clothing, hats and prescription glasses as a measure of protection against the sun.

Prevalence of albinism

Although albinism can affect all races and ethnic groups, some parts of the world including Africa have a much higher rate. For example one in 35 south African blacks is a carrier of albinism mutation. [olade 2007]

In addition one in every 4,000 people in South Africa is born with albinism: in contrast, in Denmark, the figures are only 1 in 60,000 (parliament forum on small arms and light weapons 2009). The type of albinism prevalent in n the United States of America is type 1 (tyrosinase-negative).

Oculocutanious Albinism.

The frequency of this type of albinism is about 1 in every 20,000

Tyrosinase –positive albinism is the moist prevalent type found through out Africa.

Where in can range from 1 in every 2000 to 1 in every 5000..

This type is also higher in African American population where it can be found where it van be found in the ratio of 1 in every 10, 000as compared to 1in every 36000 among Caucasian-Americans. Similarly, the frequency of Hermannsky –Pudlak syndrome is much higher in Puerto Rico where it is approximately one in every 2,700.

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