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Oculocutaneous albinism
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Condition

Oculocutaneous albinism

Oculocutaneous albinism is a group of genetic conditions that impact the pigmentation of the skin, hair, and eyes, leading to vision problems and a significantly increased risk of skin damage and cancers from sun exposure.

Overview

Oculocutaneous albinism is a group of conditions that affect the color of (pigmentation) of the skin, hair, and eyes. Affected individuals typically have very fair skin and white or light-colored hair. Long-term sun exposure greatly increases the risk of skin damage and skin cancers, including an aggressive form of skin cancer called melanoma, in people with this condition.

Oculocutaneous albinism also reduces pigmentation of the colored part of the eye (the iris) and the light-sensitive tissue at the back of the eye (the retina). People with this condition usually have vision problems such as reduced sharpness; rapid, involuntary eye movements (nystagmus); eyes that do not point in the same direction (strabismus); and increased sensitivity to light (photophobia).

Researchers have identified multiple types of oculocutaneous albinism, which are distinguished by their specific skin, hair, and eye color changes, and by their genetic cause. Oculocutaneous albinism type 1 is characterized by white hair, very pale skin, and light-colored irises. Type 2 is typically less severe than type 1; the skin is usually pale and hair may be light yellow, blond, or light brown. Type 3 causes reddish-brown skin, ginger or red hair, and hazel or brown irises. Type 3 is often associated with milder vision abnormalities than the other forms of oculocutaneous albinism. Type 4 has signs and symptoms similar to those seen in people with type 2.

There are several additional, rare types of oculocutaneous albinism.

Frequency

While the prevalence of oculocutaneous albinism varies by type and country, it is estimated that this condition affects 1 in 4,000 to 7,000 people in African populations and 1 in 12,000 to 15,000 people in European populations. Some isolated communities have higher occurrences of oculocutaneous albinism than their neighboring areas. Prevalence information for other populations is difficult to estimate, but oculocutaneous albinism affects people in all regions of the world.

Causes

Oculocutaneous albinism can result from variants (also known as mutations) in several genes, including TYR, OCA2, TYRP1, and SLC45A2. Variants in the TYR gene cause type 1, variants in the OCA2 gene cause type 2, variants in the TYRP1 gene cause type 3, and variants in the SLC45A2 gene cause type 4. Variants in additional genes likely underlie the other forms of this disorder. The genes associated with oculocutaneous albinism are involved in producing a pigment called melanin, which is the substance that gives skin

Frequently Asked Questions

Look for new or changing moles, freckles that grow or change color, or any skin spots that become darker, irregular, or bleed. Because the risk of melanoma is higher, dermatology visits are recommended at least once a year, and more frequently if you notice any suspicious changes. Use a self‑skin‑exam routine every 3–4 months, especially after sun exposure.
Wear polarized, UV‑blocking sunglasses at all times, even indoors if you have bright lighting. Use a screen filter or anti‑glare glasses for computers and phones. Keep your home lighting dim and use soft, indirect light. For vision correction, ask your optometrist about bifocals or progressive lenses that can reduce glare, and consider using a magnifier or larger‑font displays to ease eye strain.
diet rich in antioxidants—vitamins C, E, and beta‑carotene—can support skin and eye health. Foods like leafy greens, carrots, bell peppers, and nuts are good choices. Omega‑3 fatty acids from fish or flaxseed may help with dry eye symptoms. Always discuss supplements with a healthcare provider, as high doses of certain vitamins can be harmful.
Because oculocutaneous albinism is inherited in an autosomal recessive pattern, both parents are typically carriers. A certified genetic counselor can offer carrier testing, explain recurrence risks for future pregnancies, and discuss options such as in‑vitro fertilization with pre‑implantation genetic testing or prenatal testing. Early counseling can help families make informed reproductive choices.===
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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