Reference Terms
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Hyperopia
Hyperopia, also known as hypermetropia or colloquially as farsightedness or longsightedness, is a defect of vision caused by an imperfection in the eye (often when the eyeball is too short or when the lens cannot become round enough), causing inability to focus on near objects, and in extreme cases causing a sufferer to be unable to focus on objects at any distance.
Note: The above text is excerpted from the Wikipedia article "Hyperopia", which has been released under the GNU Free Documentation License.
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