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Human Phenotype Ontology
Last uploaded:
January 16, 2025
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| Id | http://purl.obolibrary.org/obo/HP_0000483
http://purl.obolibrary.org/obo/HP_0000483
|
|---|---|
| Preferred Name | Astigmatism |
| Definitions |
A type of refraction error associated with abnormal curvatures on the anterior and/or posterior surface of the cornea.
The irregular curvature associated with astigmatism means that the optical system is not symmetric about the optical axis. Most commonly the cornea is affected such that the refractive power in one meridian is less than that of the perpendicular axis. Astigmatism of significant degree causes blurry vision.
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| Synonyms |
Astigmatism
Abnormal curving of the cornea or lens of the eye
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| Type | http://www.w3.org/2002/07/owl#Class |
All Properties
| definition | A type of refraction error associated with abnormal curvatures on the anterior and/or posterior surface of the cornea. |
|---|---|
| label |
Astigmatism
|
| comment |
The irregular curvature associated with astigmatism means that the optical system is not symmetric about the optical axis. Most commonly the cornea is affected such that the refractive power in one meridian is less than that of the perpendicular axis. Astigmatism of significant degree causes blurry vision.
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| prefLabel |
Astigmatism
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| database_cross_reference |
SNOMEDCT_US:82649003
UMLS:C0004106
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| notation |
HP:0000483
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| in_subset | |
| id |
HP:0000483
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| has_obo_namespace |
human_phenotype
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| subClassOf | |
| type | |
| has_exact_synonym |
Astigmatism
Abnormal curving of the cornea or lens of the eye
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| treeView |
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