aniridia in A Sentence

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    Aniridia is the absence of the iris, usually involving both eyes.

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    Aniridia is usually inherited in what is known as an autosomal dominant pattern.

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    Aniridia is almost always bilateral(affecting both eyes), and is categorized as either partial or total.

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    With partial Aniridia, part of the iris is missing, and the affected individual will have large, misshapen pupils surrounded by a thin ring of color;

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    When this condition is caused by trauma it can sometimes be repaired surgically, but children born with Aniridia will need regular eye exams throughout their lives.

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    Glaucoma often appears at some point during the affected person's adolescence, and more than half of Aniridia sufferers- and perhaps as many as 80 percent- eventually develop cataracts.

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    While the name Aniridia implies the complete absence of an iris, the truth is that there is always some rudimentary iritic tissue present, even in cases of so-called“total Aniridia.”.

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    The degree to which this condition affects vision varies from one patient to another, but some children with Aniridia have 20/30 vision or better(meaning that they can see as well at a distance of 20 feet as a normal person can see at 30).

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