There are two types of albinism: oculocutaneous and ocular. Oculocutaneous albinism affects the eyes, skin, and hair, whereas ocular albinism only affects the eyes. Both types are caused by a mutation in the genes that control melanin production, the pigment responsible for giving color to the skin, hair, and eyes.
People with albinism have significantly reduced or wholly absent melanin, which makes them vulnerable to skin damage and eye problems. They are also more susceptible to sunburn, skin cancers, and vision problems like nystagmus, strabismus, and photophobia.
Albinism is inherited from parents who carry mutated genes. It is an autosomal recessive condition, which means that a child must inherit two copies of the mutated genes, one from each parent, to develop albinism. Parents who carry one normal and one mutated gene are called carriers and do not have albinism.
Albinism is estimated to affect 1 in every 17,000 to 20,000 people worldwide, but the prevalence varies by country and region. In some parts of Africa, especially in Tanzania, Malawi, and Burundi, the prevalence of albinism is much higher due to the high frequency of the mutated genes and the lack of genetic counseling and health care services.
Despite being a genetic condition, albinism is also a social and cultural issue, particularly in communities where people with albinism are stigmatized, marginalized, and discriminated against. In some cultures, people with albinism are believed to have magical powers or to be cursed, leading to mistreatment, mutilation, and even murder.
Furthermore, people with albinism also face economic and educational challenges, as their physical differences may hinder their ability to access education, employment, and healthcare. They may also require specialized equipment and accommodation, such as vision aids, protective clothing, and sunscreen.
To address the challenges faced by people with albinism, various organizations and initiatives have been established worldwide to raise awareness, advocate for their rights, and provide support and resources. These organizations work towards eliminating misconceptions, promoting acceptance, and improving social, economic, and educational outcomes for people with albinism.
In conclusion, albinism is a genetic condition that affects people worldwide, causing a lack of pigment or color in the skin, hair, and eyes. It is an autosomal recessive condition inherited from parents who carry mutated genes. People with albinism are vulnerable to skin damage and vision problems and face social, cultural, economic, and educational challenges, especially in contexts where they are stigmatized and discriminated against. Nonetheless, with proper care and support, people with albinism can live normal, healthy lives and contribute to their communities and society.