astigmatism

refractive error characterized by the optics of the eye to focus a point object into a sharp focused image on the retina, has symptom blurred vision.
MedicalCondition class_of_disease Q177895
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astigmatism

Summary

astigmatism is a class of disease[1]. astigmatism ranks in the top 7% of class_of_disease entities by monthly Wikipedia readership (1,163 views/month).[2]

Key Facts

  • astigmatism's image is recorded as Astigmatism.jpg[3].
  • astigmatism's instance of is recorded as class of disease[4].
  • astigmatism's instance of is recorded as symptom or sign[5].
  • astigmatism's Library of Congress authority ID is recorded as sh85008867[6].
  • astigmatism's Bibliothèque nationale de France ID is recorded as 12266019w[7].
  • astigmatism's subclass of is recorded as refractive error[8].
  • astigmatism's subclass of is recorded as disease[9].
  • astigmatism's subclass of is recorded as astigmatism[10].
  • astigmatism's NDL Authority ID is recorded as 00569289[11].
  • astigmatism's Commons category is recorded as Astigmatism (eye)[12].
  • astigmatism's MeSH descriptor ID is recorded as D001251[13].
  • astigmatism's OMIM ID is recorded as 603047[14].
  • astigmatism's BNCF Thesaurus ID is recorded as 30876[15].
  • astigmatism's DiseasesDB is recorded as 29648[16].
  • astigmatism's MedlinePlus ID is recorded as 001015[17].
  • astigmatism's ICPC 2 ID is recorded as F91[18].
  • astigmatism's MeSH tree code is recorded as C11.744.212[19].
  • astigmatism's Disease Ontology ID is recorded as DOID:11782[20].
  • astigmatism's LEM ID is recorded as LEM201001028[21].
  • astigmatism's possible treatment is recorded as cylindrical lens[22].
  • astigmatism's OmegaWiki Defined Meaning is recorded as 691646[23].
  • astigmatism's described by source is recorded as Armenian Soviet Encyclopedia, vol. 1[24].
  • astigmatism's National Library of Latvia ID is recorded as 000331659[25].
  • astigmatism's ICD-9-CM is recorded as 367.20[26].
  • astigmatism's ICD-9-CM is recorded as 367.2[27].

Why It Matters

astigmatism ranks in the top 7% of class_of_disease entities by monthly Wikipedia readership (1,163 views/month).[2] astigmatism has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[28] astigmatism is known by 20 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  5. [7] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  6. [8] . Disease Ontology. Retrieved . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  12. [14] . Disease Ontology. Retrieved . wikidata.org.
  13. [15] . Nuovo soggettario. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . Disease Ontology. Retrieved . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Disease Ontology. Retrieved . wikidata.org.
  25. [27] . Disease Ontology. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). astigmatism. Retrieved May 3, 2026, from https://4ort.xyz/entity/astigmatism
MLA “astigmatism.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/astigmatism.
BibTeX @misc{4ortxyz_astigmatism_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{astigmatism}}, year = {2026}, url = {https://4ort.xyz/entity/astigmatism}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): astigmatism — https://4ort.xyz/entity/astigmatism (retrieved 2026-05-03)

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