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People with OCA2 usually have fair skin, but are often not as pale as OCA1. They have pale blonde to golden, strawberry blonde, or even brown hair, and most commonly blue eyes. Affected people of African descent usually have a different phenotype (appearance): yellow hair, pale skin, and blue, gray or hazel eyes. About 1 in 15,000 people have OCA2.
Albinism is a congenital condition characterized in humans by the partial or complete absence of pigment in the skin, hair and eyes. Albinism is associated with a number of vision defects, such as photophobia, nystagmus, and amblyopia. Lack of skin pigmentation makes for more susceptibility to sunburn and skin cancers.
So, "a person or animal with very pale skin, white hair or fur, and pink eyes caused by a medical condition that they were born with" [13] and "a person or animal with white skin and hair and pink eyes" [14] do not include feathers, scales or cuticles of birds, fish and invertebrates, nor do they include plants. Some definitions are too broad ...
The last edition of the German encyclopedia Meyers Konversations-Lexikon (1971–79, 25 volumes) lists the following characteristics of the "Mongoloid" populations of Asia: "Flat face with a low nasal root, accentuated zygomatic arches, flat-lying eyelids (which are often slanting), thick, tight, dark hair, dark eyes, yellow-brownish skin ...
Gilbert syndrome can sometimes cause the skin or whites of the eyes to turn a yellowish color, per Mayo Clinic. It is a genetic disorder passed on from one or more parents. It is a genetic ...
"His right eye was light blue, while the left was black, nevertheless his eyes were most attractive", is the description of the historian John Malalas. [ 33 ] [ 34 ] [ 35 ] A more recent example is the German poet, playwright, novelist, scientist, statesman, theatre director, and critic, Johann Wolfgang Goethe .
Even people with the lightest blue eyes, with no melanin on the front of the iris at all, have dark brown coloration on the back of it, to prevent light from scattering around inside the eye. In those with milder forms of albinism , the color of the iris is typically blue but can vary from blue to brown.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...