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Topic: Albinism


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  Facts About Albinism
General health of a child and an adult with albinism is normal, and the reduction in melanin pigment in the skin, hair and the eyes should have no effect on the brain, the cardiovascular system, the lungs, the gastrointestinal tract, the genitourinary system, the musculoskeletal system, or the immune system.
This appeared to be a type of ocular albinism that was caused by a gene on an autosome chromosome (non-sex chromosome) rather than on the X chromosome; hence, the name of autosomal recessive ocular albinism.
Albinism: A group of inherited conditions which include a decrease in the amount of pigment in the eyes alone, or in both the eyes and skin.
albinism.med.umn.edu /facts.htm   (9932 words)

  
 Albinism Information on Healthline
Albinism is an inherited condition that causes a lack of pigment in the hair, skin or eyes.
This type of albinism occurs mainly in males because the gene that causes it is located on the X chromosome.
Other common affects of albinism on the eyes include nystagmus, a constant, involuntary shifting of the eyes from side to side; and strabismus, a disorder of the muscles in the eyes that causes a wandering eye or crossed eyes.
www.healthline.com /galecontent/albinism-1   (931 words)

  
 Home | aHealthyme.com
Albinism is an inherited condition present at birth, characterized by a lack of pigment that normally gives color to the skin, hair, and eyes.
Albinism is an inherited problem caused by a flaw in one or more of the genes that are responsible for directing the eyes and skin to make melanin (pigment).
About one in 70 people are albinism carriers, with one flawed gene but no symptoms; they have a 50% chance of passing the albinism gene to their child.
www.ahealthyme.com /article/gale/100085010   (1633 words)

  
 Albinism. DermNet NZ
Albinism is a condition in which people have little or no melanin pigment (compound that creates colour) in their eyes, skin or hair.
Albinism is mostly a recessively inherited disease, which means that you have inherited two albinism genes (one from each parent).
The main problems of albinism are caused by the inability of the body to produce melanin pigment (whose major role in the skin is to absorb UV light from the sun so skin is not sun-damaged).
www.dermnetnz.org /colour/albinism.html   (698 words)

  
 Albinism
Another problem for kids with albinism is that their eyes can be very sensitive to light.
Instead, the kid will be a "carrier" of an albinism gene — which means he or she would have one normal pigment gene and one albinism gene.
Kids with albinism are just like other kids — they just need to talk with their doctor about taking care of their eyes and skin, especially if they're going to be in the sun.
kidshealth.org /kid/health_problems/skin/albinism.html   (968 words)

  
 Albinism
Albinism affects approximately 1 in 20,000 individuals, producing pigmentary deficiency, abnormal crossings of the temporal fibers in the optic chiasm, nystagmus, photophobia, variable visual acuity and, frequently, strabismus.
The main subdivisions of albinism include oculocutaneous, ocular, and albinoidism (absence of pigment in localized areas; the pigment in the skin, hair and eyes is less than normal but does not affect the individual as severely as the oculocutaneous or ocular types).
In tyrosinase-negative oculocutaneous albinism, the congenital inactivity of the enzyme tyrosinase prevents the cell’s use of tyrosine in the formation of the pigment melanin.
www.revoptom.com /HANDBOOK/SECT58a.HTM   (1073 words)

  
 Albinism
Albinism is a group of rare inherited disorders characterized by the absence at birth of color (pigmentation) in the skin, hair, and eyes.
Albinism is also associated with certain syndromes that produce defects in the eyes (ocular abnormalities).
Albinism is a group of rare inherited syndromes characterized by the absence of color (pigmentation) in the skin, hair and eyes.
hw.healthdialog.com /kbase/nord/nord42.htm   (1840 words)

  
 Oculocutaneous albinism - Genetics Home Reference
Oculocutaneous albinism is a group of conditions that affect coloring (pigmentation) of the skin, hair, and eyes.
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).
Mutations in the OCA2, SLC45A2, TYR, and TYRP1 genes cause oculocutaneous albinism.
ghr.nlm.nih.gov /condition=oculocutaneousalbinism   (1005 words)

  
 All About Albino's and Albinism - Human and Animal
General health of a child and an adult with albinism is normal, and the reduction in melanin pigment in the skin, hair and the eyes should have no effect on the brain, the cardiovascular system, the lungs, the gastrointestinal tract, the genitourinary system, the musculoskeletal system, or the immune system.
This appeared to be a type of ocular albinism that was caused by a gene on an autosome chromosome (non-sex chromosome) rather than on the X chromosome; hence, the name of autosomal recessive ocular albinism.
None of the tests available are capable of detecting all of the mutations of the genes that cause albinism, and responsible mutations cannot be detected in a small number of individuals and families with albinism.
www.francesfarmersrevenge.com /stuff/archive/oldnews2/albino/index.htm   (9821 words)

  
 Fact Sheet Albinism
Infants with albinism may behave as if they are not seeing during the first weeks of life and gradually become visually attentive.
A person with albinism may try to minimize the differences caused by albinism, resulting in a great deal of stress at continually trying to maximize visual ability and/or denying altogether that one even has albinism.
Since not all children with albinism have the same visual acuity or use their vision with the same efficiency, it is important to consider each child as an individual.
www.blindbabies.org /factsheet_albinism.htm   (1581 words)

  
 Albinism
Albinism is a genetic condition where people are born without the usual pigment (color) in their bodies.
In the most common forms of oculocutaneous albinism, both parents must carry the albinism gene for a child to be born with the condition.
Since most people who carry an albinism gene don't show any signs of the condition, a baby with albinism can be born to parents whose coloring is typical for people of their ethnic group.
www.kidshealth.org /teen/diseases_conditions/genetic/albinism.html   (888 words)

  
 Oculocutaneous Albinism
Albinism represents a group of inherited abnormalities of melanin synthesis characterized by a congenital reduction or absence of melanin pigment in association with specific developmental changes in the optic system resulting from the hypopigmentation (1).
This is the most common albinism phenotype because of the high frequency in these populations (ranging from 1/2000 to 1/5000 in large parts of Sub-Sahara Africa), and is characterized by yellow hair, white skin with localized pigmented regions, and irises that are partially or completely pigmented with a tan-colored melanin.
Though this type of albinism is categorized as a type of ocular albinism, the melanocytes in the skin and hair follicles are also involved and contain abnormally large melanosomes (35).
albinism.med.umn.edu /mmm.htm   (3971 words)

  
 Ocular albinism - Genetics Home Reference
Ocular albinism is characterized by severely impaired sharpness of vision (visual acuity) and problems with combining vision from both eyes to perceive depth (stereoscopic vision).
Mutations in the GPR143 gene cause ocular albinism.
Rare cases of ocular albinism are not caused by mutations in the GPR143 gene.
ghr.nlm.nih.gov /condition=ocularalbinism   (912 words)

  
 Albinism - Wikipedia, the free encyclopedia
Albinism (from Latin albus, meaning "white") is a lack of pigmentation in the eyes, skin and/or hair.
Albinism is an inherited condition resulting from the combination of recessive alleles passed from both parents of an individual.
Albinism used to be categorised as Tyrosinase positive or negative.
en.wikipedia.org /wiki/Albinism   (3097 words)

  
 Albinism
Albinism is an inherited condition present at birth, characterized by a lack of pigment that normally gives color to the skin, hair, and eyes.
Albinism is an inherited problem caused by a flaw in one or more of the genes that are responsible for directing the eyes and skin to make melanin (pigment).
About one in 70 people are albinism carriers, with one flawed gene but no symptoms; they have a 50% chance of passing the albinism gene to their child.
www.healthatoz.com /healthatoz/Atoz/ency/albinism.jsp   (1612 words)

  
 Albinism | Health Library | Walgreens
Albinism results when the body is unable to produce or distribute pigment, called melanin, because of one of several possible genetic defects.
In Type 1 albinism, defects in the metabolism of tyrosine lead to failure in converting this amino acid to melanin.
In the most severe form of albinism (called oculocutaneous albinism), those affected appear to have hair, skin, and iris color that are white or pink as well as vision defects.
www.walgreens.com /library/contents.html?docid=001479&doctype=1   (822 words)

  
 Albinism. DermNet NZ
Albinism is a condition in which people have little or no melanin pigment (compound that creates colour) in their eyes, skin or hair.
Albinism is mostly a recessively inherited disease, which means that you have inherited two albinism genes (one from each parent).
The main problems of albinism are caused by the inability of the body to produce melanin pigment (whose major role in the skin is to absorb UV light from the sun so skin is not sun-damaged).
dermnetnz.org /colour/albinism.html   (734 words)

  
 NOAH — What is Albinism?
Most children with albinism are born to parents who have normal hair and eye color for their ethnic backgrounds.
The albinism gene is "recessive" —; it does not result in albinism unless a person has two copies of the gene for albinism and no copy of the gene that makes normal pigment.
Researchers have analyzed DNA of people with albinism and found the changes that cause albinism, but these changes are not always in exactly the same place, even for a given type of albinism.
www.albinism.org /publications/what_is_albinism.html   (1833 words)

  
 Albinism - Patient UK
Oculocutaneous albinism type I: This is an autosomal recessive disorder caused by mutation in the tyrosinase gene on chromosome 11.
Autosomal recessive ocular albinism: The mutation is on chromosome 6.
None of the tests available is capable of detecting all of the mutations of the genes that cause albinism, and responsible mutations cannot be detected in a small number of individuals and families with albinism.
www.patient.co.uk /showdoc/40001718   (2495 words)

  
 eMedicine - Albinism : Article by Mounir Bashour
Albinism consists of a group of inherited abnormalities of melanin synthesis typically characterized by a congenital reduction or absence of melanin pigment.
Albinism also has social ramifications because patients may feel alienated because of the different appearance from their families, peers, and other members of their ethnic group.
Patients with albinism who are considering refractive surgery should be informed that they may have a higher risk of epithelial abrasion, with its attendant subcomplications, as compared to other patients.
www.emedicine.com /OPH/topic315.htm   (5480 words)

  
 CIGNA - Albinism
Albinism is a group of rare inherited disorders characterized by the absence at birth of color (pigmentation) in the skin, hair, and eyes.
Albinism is also associated with certain syndromes that produce defects in the eyes (ocular abnormalities).
Albinism is a group of rare inherited syndromes characterized by the absence of color (pigmentation) in the skin, hair and eyes.
www.cigna.com /healthinfo/nord42.html   (1931 words)

  
 NOAH — African American
Whereas the majority of whites with albinism have pale blond or white hair, pink white skin, and blue eyes, fl persons with albinism tend to have hair of a deeper, brighter yellow, cream-colored skin, and green or hazel eyes.
Peers sometimes accuse fl people with albinism of "trying to pass." Indeed, some have found having albinism so painful that it is simply easier to be "white." Peers may believe that the hard-earned achievements of a fl person with albinism resulted from a white teacher or supervisor favoring the him or her.
To me, albinism is a situation no different than that of a redhead being born into a family of brunettes.
www.albinism.org /publications/african-americans.html   (969 words)

  
 MedlinePlus Medical Encyclopedia: Albinism
Albinism is a defect of melanin production that results in little or no color (pigment) in the skin, hair, and eyes.
Albinism occurs when one of several genetic defects makes the body unable to produce or distribute melanin, a natural substance that gives color to your hair, skin, and iris of the eye.
People with albinism may be limited in their activities because they can't tolerate the sun.
www.nlm.nih.gov /medlineplus/ency/article/001479.htm   (653 words)

  
 Albinism: Causes - MayoClinic.com
The cause of albinism is a mutation in one of several genes.
Oculocutaneous albinism is caused by a mutation in one of four genes.
Oculocutaneous albinism 1 is caused by a mutation in a gene on chromosome 11.
www.mayoclinic.com /health/albinism/DS00941/DSECTION=3   (940 words)

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